public void GivenTheSelectedOrderItems(Table table)
        {
            conferenceInfo         = ScenarioContext.Current.Get <ConferenceInfo>();
            registrationController = RegistrationHelper.GetRegistrationController(conferenceInfo.Slug);

            orderViewModel = RegistrationHelper.GetModel <OrderViewModel>(registrationController.StartRegistration().Result);
            Assert.NotNull(orderViewModel);

            registration = new RegisterToConference {
                ConferenceId = conferenceInfo.Id, OrderId = orderViewModel.OrderId
            };

            foreach (var row in table.Rows)
            {
                var orderItemViewModel = orderViewModel.Items.FirstOrDefault(s => s.SeatType.Description == row["seat type"]);
                Assert.NotNull(orderItemViewModel);
                int qt;
                if (!row.ContainsKey("quantity") || !Int32.TryParse(row["quantity"], out qt))
                {
                    qt = orderItemViewModel.SeatType.Quantity;
                }
                registration.Seats.Add(new SeatQuantity(orderItemViewModel.SeatType.Id, qt));
            }

            // Store for sharing between steps implementations
            ScenarioContext.Current.Set(registration);
            ScenarioContext.Current.Set(registrationController.ConferenceAlias);
        }