رزرواسیون

{
  "reservation": {
    "id": "r001",
    "user_id": "u123",
    "service_id": "s456",
    "provider": {
      "id": "p789",
      "name": "Dr. Ali Rezaei",
      "specialization": "Psychologist"
    },
    "date": "2025-04-20",
    "start_time": "15:00",
    "end_time": "15:30",
    "status": "confirmed",
    "payment": {
      "status": "paid",
      "amount": 200000,
      "method": "online"
    },
    "notes": "Please be on time."
  }
}