/// <remarks/>
 public void ModifyPNRAsync(ModifyPNR ModifyPnrRequest, object userState) {
     if ((this.ModifyPNROperationCompleted == null)) {
         this.ModifyPNROperationCompleted = new System.Threading.SendOrPostCallback(this.OnModifyPNROperationCompleted);
     }
     this.InvokeAsync("ModifyPNR", new object[] {
                 ModifyPnrRequest}, this.ModifyPNROperationCompleted, userState);
 }
 /// <remarks/>
 public void ModifyPNRAsync(ModifyPNR ModifyPnrRequest) {
     this.ModifyPNRAsync(ModifyPnrRequest, null);
 }