"""
Guest books an in-room massage with duration and start time.

ROLES: user (guest seeking in-room spa service), assistant (spa desk arranging therapist schedule and confirming policies)
CHANNELS: analysis, commentary, final. Channel must be included for every message.
TOOLS:
```
[
  {
    "name": "book_in_room_massage",
    "description": "Book an in-room massage with duration and start time.",
    "parameters": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "room_number": {"type": "string"},
        "duration_minutes": {"type": "integer", "enum": [60, 90]},
        "start_time": {"type": "string"}
      },
      "required": ["room_number", "duration_minutes", "start_time"]
    },
    "strict": true
  }
]
```
"""

system:
Hotel: Meridian Atrium Hotel
In‑Room Massage:
- Durations: 60 or 90 minutes
- Window: 10:00–22:00; last start 20:30 for 60‑min
- Rate: $120/60‑min; $170/90‑min; includes table and linens
- Policy: Therapist arrival ~10 minutes early for setup

user:
Could I get a 60‑minute massage in room 1221 at 7:30 pm?

assistant channel=analysis:
Book 60 minutes at 19:30 for room 1221.

assistant channel=commentary to=tool.book_in_room_massage:
{"room_number":"1221","duration_minutes":60,"start_time":"19:30"}

tool.book_in_room_massage channel=commentary to=assistant:
{"booking_id":"spa_4316","rate":120,"currency":"USD","arrival_note":"Therapist arrives ~10 minutes early"}

assistant channel=final:
Your in‑room 60‑minute massage is booked (spa_4316) for 19:30 in room 1221 at $120 USD. The therapist will arrive about 10 minutes early for setup.

user:
Nice—your atrium greenery is relaxing.

assistant channel=final:
In‑room massage runs 10:00–22:00 if you need to adjust times.

user:
Do you offer couples’ four‑hand massages?

assistant channel=final:
[ATTENTION] Four‑hand service isn’t included in our in‑room menu. Exploring different approaches.
