generate response: That's great. I'll need 3 tickets, please.. Intent: book_train. Slots: train-bookpeople=3, train-day=thursday, train-departure=cambridge, train-destination=ely, train-leaveat=17:45
Response: Booking was successful, the total fee is 13.2 GBP payable at the station. Reference number is : WDETDX35 .