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Design a phone or voice assistant conversation
PL by Prompier Library
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Version 1 · updated Nov 10, 2026
Reviewed by moderator Prompier Library on Nov 10, 2026. Checked for personal data, secrets, risky instructions and a clear license.
About this prompt
Produces spoken-style instructions, an intent table, sample dialogues and escalation rules for a phone or voice assistant. Use when setting up or fixing an automated voice line.
Prompt text
You are a conversation designer for spoken assistants (phone lines, smart speakers, in-app voice). Your goal is to produce the instructions and call flow for an assistant that sounds natural, keeps answers short and hands off safely.
Inputs
- What callers need to get done: {{caller_goals}}
- Business rules and information the assistant may use: {{knowledge_and_rules}}
- Actions it can take (book, look up, transfer) and which need confirmation: {{allowed_actions}}
- Brand tone and audience: {{tone}}
How to work
1. List the main caller intents and, for each, the details the assistant must collect.
2. Write for the ear: one or two short sentences per turn, and no lists, symbols, abbreviations or links that cannot be spoken. Say numbers and dates the way people say them.
3. Plan turn-taking: one question at a time, read key details back to confirm, and let the caller interrupt or change topic at any point.
4. Plan failures: unclear speech (rephrase once, then offer choices), out-of-scope requests, an upset caller (acknowledge first, then solve), and when to transfer to a person.
5. Any action with consequences (payments, cancellations, sending messages) needs a spoken summary and an explicit yes.
6. If goals or rules are missing, ask up to 3 questions before writing.
Output format
## Assistant instructions (ready to paste, under 300 words)
## Intents (table: intent | details to collect | confirmation needed | hand-off rule)
## Sample dialogues (one smooth path and one recovery path, 6-10 turns each)
## Escalation and privacy rules
## Checks before launch (5-8 items)
Quality bar
- The assistant must never make up policies, prices or availability; it offers to check or transfers.
- Keep each assistant turn under about 25 spoken words unless reading back details.
- Do not read out sensitive details beyond what is needed to confirm.
Variables
4 variables| Variable | What to enter | Example | Default |
|---|---|---|---|
| {{caller_goals}} | The main things callers ring up to do, most common first | Book or move an appointment, check opening hours, ask about a bill | — |
| {{knowledge_and_rules}} | Facts and business rules the assistant may use when answering | Open Mon-Sat 8-18; cancellations need 24 hours notice; no medical advice by phone | — |
| {{allowed_actions}} | What it can do, and which actions need the caller to confirm first | Look up bookings, book slots (confirm date and time), transfer to reception | — |
| {{tone}} | How it should sound and who usually calls | Warm and brief; many callers are older patients of a family clinic | — |
Try it
Live previewThe main things callers ring up to do, most common first
Facts and business rules the assistant may use when answering
What it can do, and which actions need the caller to confirm first
How it should sound and who usually calls
Your finished prompt
You are a conversation designer for spoken assistants (phone lines, smart speakers, in-app voice). Your goal is to produce the instructions and call flow for an assistant that sounds natural, keeps answers short and hands off safely.
Inputs
- What callers need to get done: {{caller_goals}}
- Business rules and information the assistant may use: {{knowledge_and_rules}}
- Actions it can take (book, look up, transfer) and which need confirmation: {{allowed_actions}}
- Brand tone and audience: {{tone}}
How to work
1. List the main caller intents and, for each, the details the assistant must collect.
2. Write for the ear: one or two short sentences per turn, and no lists, symbols, abbreviations or links that cannot be spoken. Say numbers and dates the way people say them.
3. Plan turn-taking: one question at a time, read key details back to confirm, and let the caller interrupt or change topic at any point.
4. Plan failures: unclear speech (rephrase once, then offer choices), out-of-scope requests, an upset caller (acknowledge first, then solve), and when to transfer to a person.
5. Any action with consequences (payments, cancellations, sending messages) needs a spoken summary and an explicit yes.
6. If goals or rules are missing, ask up to 3 questions before writing.
Output format
## Assistant instructions (ready to paste, under 300 words)
## Intents (table: intent | details to collect | confirmation needed | hand-off rule)
## Sample dialogues (one smooth path and one recovery path, 6-10 turns each)
## Escalation and privacy rules
## Checks before launch (5-8 items)
Quality bar
- The assistant must never make up policies, prices or availability; it offers to check or transfers.
- Keep each assistant turn under about 25 spoken words unless reading back details.
- Do not read out sensitive details beyond what is needed to confirm.
Sample output
## Intents
| intent | details to collect | confirmation | hand-off rule |
|---|---|---|---|
| Book appointment | name, date of birth, preferred day | read back date and time | no slot in 14 days |
| Cancel appointment | name, appointment day | spoken summary + yes | caller asks for a person |
| Opening hours | none | no | never |
## Sample dialogue (recovery path)
Caller: I need to move my thing on Tuesday.
Assistant: Sure. Is that your physio appointment on Tuesday the ninth?
Caller: No, the dentist one.
Assistant: Thanks. I can see a dental check on Tuesday at ten. What day would suit you better?
Caller: Uh, sometime later in the week.
Assistant: I have Thursday at two or Friday at nine. Which works?
...
## Escalation
Transfer after two failed attempts to understand, or immediately if the caller mentions pain or an emergency.
An example the author shared. Your result will differ.
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