generate response: I'd like to leave on saturday after 17:15.. Intent: find_train. Slots: train-day=saturday, train-departure=london kings cross, london liverpool street, train-destination=cambridge, train-leaveat=17:15
Response: You can depart from London Liverpool street to Cambridge on Saturday at 17:39 for 13.28 pounds. The trip will take 88 minutes. Did you have any further questions?