public HttpResponseMessage GetUserBookings(string userID) { if (!bookingBusiness.IsUserIDValid(userID)) { HttpError err = new HttpError("The userID you entered is not valid."); return(Request.CreateResponse(HttpStatusCode.BadRequest, err)); } List <Booking> userBookings = bookingBusiness.GetAllBookings(userID); return(Request.CreateResponse(HttpStatusCode.OK, userBookings)); }