generate response: The 15:35 will be fine. Please book that for four people.. Intent: book_train. Slots: train-bookpeople=4, train-day=wednesday, train-departure=ely, train-destination=cambridge, train-leaveat=15:00
Response: Okay, I have four tickets booked on the 15:35 train from Ely to Cambridge on Wednesday. Total is 17.6 GBP, reference number UKD02OC6 . Anything else I may help with?