/// <remarks/>
 public void CancelReservationAsync(OTA_CancelRQType OTA_CancelRQ, object userState) {
     if ((this.CancelReservationOperationCompleted == null)) {
         this.CancelReservationOperationCompleted = new System.Threading.SendOrPostCallback(this.OnCancelReservationOperationCompleted);
     }
     this.InvokeAsync("CancelReservation", new object[] {
                 OTA_CancelRQ}, this.CancelReservationOperationCompleted, userState);
 }
 /// <remarks/>
 public void CancelReservationAsync(OTA_CancelRQType OTA_CancelRQ) {
     this.CancelReservationAsync(OTA_CancelRQ, null);
 }