# 🎁 Free Trial Lesson with Maha El-Helaly

> Try a free English lesson and see if we’re the right fit. Meet your teacher, practice speaking, and get a clear idea of your level and next steps. Choose your trial length: • 15 minutes: quick speaking practice, a relaxed conversation to get started • 25 minutes: ideal for kids and younger learners • 50 minutes: a full lesson with level assessment, speaking practice, and a personalized learning plan No payment, no commitment. Held live on Google Meet.

- Host: Maha El-Helaly
- Duration: 15, 25, 50 min
- Location: Google Meet
- Host time zone: Africa/Cairo
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/maha-el-helaly-y6vikq/free-trial-lesson
- Event type id: 6164062

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6164062&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.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 6164062,
  "start": "<UTC ISO 8601 start from the slots response>",
  "lengthInMinutes": 15,
  "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.
- `lengthInMinutes` picks one of 15, 25, 50; pass the same value to the slots request as `duration`.