generate response: You know what, I'm so sorry I actually did not need a booking at all. I just wanted to know the travel time, arrival time, and price. Sorry.. Intent: book_train. Slots: train-bookpeople=1, train-day=wednesday, train-departure=london liverpool street, train-destination=cambridge, train-leaveat=12:45
Response: 16.6 gbp a person arrives at 15:07, trip time is 88 minutes, any further questions?