generate response: The TR5892 would be great. Could I book two tickets for that train please?. Intent: book_train. Slots: train-arriveby=21:00, train-bookpeople=2, train-day=thursday, train-departure=cambridge, train-destination=norwich
Response: I successfully booked two tickets on TR5892 at a cost of 35.2 GBP. Your reference number is GA09OC54 .