generate response: I want to leave for Peterborough after 18:30.. Intent: book_train. Slots: train-bookpeople=1, train-day=sunday, train-departure=cambridge, train-destination=peterborough, train-leaveat=18:30
Response: I've booked you a ride on train TR8255, your reference number is E1SGGIUC, the ticket will cost 13.20 pounds. Is there anything else I could help you with?