# Delivery Review: Voice AI Agent in fonio with Lukas Selch

> Review and handover session for your completed voice AI agent in fonio. We present the delivered setup, align on any final details, and show you how to maintain and adjust it independently.

- Host: Lukas Selch
- Duration: 30 min
- Location: Google Meet
- Host time zone: Europe/Vienna
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://fonio-services.cal.com/selch/delivery-review-voice-ai-agent-in-fonio
- Event type id: 399699

## Check availability

```http
GET https://api.cal.eu/v2/slots?eventTypeId=399699&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.eu/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 399699,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address)
- Optional fields: `notes` (Additional notes), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.