generate response: That's a good time. Please book TR7349 for 5 people, please.. Intent: book_train. Slots: train-arriveby=21:45, train-bookpeople=5, train-day=saturday, train-departure=cambridge, train-destination=ely
Response: All set! Booking was successful, the total fee is 17.6 GBP payable at the station . Reference number is : H8XDA6RZ .