hotel.trade.protocol.BookReq(BookReq)

{
    "customerReferenceNo": "uuid",
    "ratePkgId": "string",
    "holder": {
        "firstName": "John",
        "lastName": "Doe",
        "email": "John@hotelbyte.com",
        "phone": {
            "countryCode": "string",
            "countryNumber": 0,
            "number": "string"
        }
    },
    "guests": [
        {
            "roomIndex": 0,
            "firstName": "John2",
            "lastName": "Doe",
            "nationalityCode": "US",
            "age": 18,
            "isChild": false
        }
    ]
}