generate response: Yes, I need 7 tickets.. Intent: book_train. Slots: train-arriveby=17:15, train-bookpeople=7, train-day=saturday, train-departure=london liverpool street, train-destination=cambridge
Response: I have 7 seats booked for you on TR5863. The fare is 92.96 GBP payable at the station. Your reference number is BJUFKBWX .