generate response: Great, can you book it for 2 people?. Intent: book_train. Slots: train-bookpeople=2, train-day=saturday, train-departure=cambridge, train-destination=leicester, train-leaveat=15:45, after 15:30.
Response: Booking was successful, the total fee is 60.48 GBP payable at the station . Reference number is : 6OINE67F .