generate response: Just one ticket please and thank you. Intent: book_train. Slots: train-bookpeople=1, train-day=saturday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=21:45
Response: Your ticket has been reserved. Total fee is 18.88 GBP, payable at the station. Reference number ZM5K0A4Q . Can I help you with anything else today?