generate response: Yes, could you please book it for 3 people?. Intent: book_train. Slots: train-bookpeople=3, train-day=friday, train-departure=peterborough, train-destination=cambridge, train-leaveat=21:30
Response: Booking was successful, the total fee is 49.5 GBP payable at the station. Reference number is : Q2D4MZMU . Can I be of any further assistance today?