public ResultSrv <string> BookingSubmit()
        {
            try
            {
                var output          = new ResultSrv <string>();
                var bookingSubmitVo = BookingSubmitVo.ConcreteBuilder
                                      .SetServiceCallParameters(internalServiceCallVo)

                                      .Build();
                BookingService.BookingSubmit(bookingSubmitVo, response => Listener.GetResult(response, out output));
                return(output);
            }
            catch (PodException podException)
            {
                Console.WriteLine(
                    $"-- {podException.Code}-an error has occured : {Environment.NewLine}{podException.Message}");
                throw;
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception.Message);
                throw;
            }
        }