generate response: I want to arrive by 15:45 on tuesday.. Intent: book_train. Slots: train-arriveby=15:45, train-bookpeople=1, train-day=tuesday, train-departure=peterborough, train-destination=cambridge
Response: Booking was successful, the total fee is 16.5 GBP payable at the station . Reference number is : 3XNW24TQ .