public HttpResponseMessage CancelReservation(HttpRequestMessage request, [FromBody] int reservationId) { return(GetHttpResponse(request, () => { HttpResponseMessage response = null; // not that calling the WCF service here will authenticate access to the data Reservation reservation = _RentalService.GetReservation(reservationId); if (reservation != null) { _RentalService.CancelReservation(reservationId); response = request.CreateResponse(HttpStatusCode.OK); } else { response = request.CreateErrorResponse(HttpStatusCode.NotFound, "No reservation found under that ID."); } return response; })); }