generate response: The train should be arriving at london liverpool street and leave after 10:00. I would like 4 tickets for that specific train. I also need the reference number.. Intent: book_train. Slots: train-bookpeople=4, train-day=sunday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=10:00
Response: I would recommend TR5767 which leaves Cambridge at 10:21 and arrives in Leicester at 12:06. Would you like this to be booked for you?