generate response: Yes, I'd like five tickets, please.. Intent: book_train. Slots: train-arriveby=12:45, train-bookpeople=5, train-day=wednesday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=9:59, 09:59
Response: Ok. You are booked for 5 seats on TR5874. Wednesday at 09:59. The total is 83 GBP payable at the station. Your Reference number is 8C6ZLYNK .