{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Travel",
  "type": "object",
  "description": "Travel-specific data for transportation expenses",
  "properties": {
    "startLocation": {
      "type": "string",
      "description": "Trip origin location"
    },
    "endLocation": {
      "type": "string",
      "description": "Trip destination location"
    },
    "ticketNumber": {
      "type": "string",
      "description": "Ticket or booking reference number"
    },
    "hotelCheckinDate": {
      "type": "string",
      "description": "Hotel check-in date"
    },
    "hotelCheckoutDate": {
      "type": "string",
      "description": "Hotel check-out date"
    },
    "carRentalDays": {
      "type": "integer",
      "description": "Number of car rental days"
    },
    "airlineServiceClassCode": {
      "type": "string",
      "description": "Airline cabin class code"
    },
    "airlineFeeTypeCode": {
      "type": "string",
      "description": "Airline fee type identifier"
    }
  }
}