generate response: That first one sounds good, the one that leaves at 12:21. Can you book that train for 2 people please.. Intent: book_train. Slots: train-bookpeople=2, train-day=tuesday, train-departure=cambridge, train-destination=leicester, train-leaveat=12:00
Response: Your total is 75.59 GBP, which you can pay at the train station. Your Reference number is : ATZTDM9Q .