generate response: Sure, I would like to book that train for 4 passengers.. Intent: book_train. Slots: train-arriveby=16:45, train-bookpeople=4, train-day=saturday, train-departure=cambridge, train-destination=ely
Response: Booking was successful, the total fee is 14.08 GBP payable at the station. Reference number is : VX48ZGH0.