generate response: Can I have the price and arrival time of the 19:59 train, please?. Intent: find_train. Slots: train-day=wednesday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=19:15
Response: It departs Cambridge at 19:59 and arrives at London Liverpool Street at 21:27. It is 16.60 pounds. Would you like me to book this for you?