generate response: Book 4 seats for me please.. Intent: book_train. Slots: train-arriveby=10:45, train-bookpeople=4, train-day=sunday, train-departure=peterborough, train-destination=cambridge
Response: I booked TR1071, the last train before 10:45 (arrives 10:38). Your reference number will be AUL3MJY9 . However, If you would have preferred something earlier, I can easily cancel and rebook.