Test your AI phone or WhatsApp agent against real past calls before you trust it with your line: turn a batch of real tenant or customer calls into scored test scenarios, fix every failure, and re-run the whole set before each change goes live: AI agent prompt

An AI intake agent that sounds fine in a demo can still get real calls wrong. In an Oct 29, 2026 write-up, Facilio describes the AI intake agent it built and runs for Berkeley Services' tenant helpdesk on its existing phone numbers and WhatsApp. On its first scored test run the agent passed only 46% of real call scenarios; the team traced every failure, fixed it and re-ran the full set, and it now averages 98%. In the last 30 days it handled 777 conversations in English and Arabic, finished 98% without a person, and only 16 needed a callback. Every change is tested against the same set before it goes live, and three of the four people who answered calls now do other work (figures from Facilio's post). You can build the same kind of test set for any AI receptionist from your own call notes or transcripts.

Customer SupportPre-launch scenario testingintermediate

The prompt

1. Collect 30 to 50 real past calls or messages (transcripts, voicemail notes or chat logs), removing names, phone numbers and unit numbers.
2. Paste them and say: "Turn each one into a test scenario: what the caller says, any follow-up they'd give if asked, and what a correct outcome looks like (job logged with these details, emergency flagged, passed to a person with this summary, or a polite no). Include the awkward ones: angry callers, wrong property, two problems in one call, emergencies, someone who won't give details."
3. Run each scenario against your AI agent (or have a colleague play the caller), paste the agent's replies back and ask: "Score each one PASS or FAIL against its expected outcome, say exactly what went wrong, and group the failures by cause (missing info, wrong rule, didn't escalate, made something up)."
4. For each cause, ask: "Suggest the smallest change to the agent's instructions or knowledge base that fixes it, without breaking the scenarios that passed."
5. Re-run the whole set after every change and keep a one-line log: date, change, pass rate. Don't put the agent on your live line until emergencies and escalations pass every time.
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How to use it

  1. Copy the prompt above.
  2. Replace every [bracket] with your own details (or fill in the blanks on AgentPlaybook Real Estate, which remembers your answers for the next prompt).
  3. Paste it into ChatGPT, Claude, AI voice or WhatsApp agent and review the answer before you use it.

Works with: ChatGPT, Claude, AI voice or WhatsApp agent, spreadsheet

Real-world example: facilio.com/blog/berkeley-ai-helpdesk/

Featured in: AI prompts to summarize meetings, notes, documents and reports

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