generate response: Yes please book it for 1 person and provide the reference number. Intent: book_train. Slots: train-arriveby=13:38, train-bookpeople=1, train-day=wednesday, train-departure=peterborough, train-destination=cambridge, train-leaveat=12:48
Response: Your booking was successful. The reference number is 69YAY7YC . What else may I help you with?