generate response: For three people please. And can you give me the reference number?. Intent: book_train. Slots: train-bookpeople=3, train-day=wednesday, train-departure=cambridge, train-destination=birmingham new street, train-leaveat=21:15, after 21:00
Response: Your total is 225.3 GBP payable at the station. Your reference number is 5AXU412R . Can I help with something else?