generate response: No, as long as it's after 15:15. What times are available?. Intent: find_train. Slots: train-day=tuesday, train-departure=kings lynn, train-destination=cambridge, train-leaveat=15:15
Response: Trains leave at the following times: 16:11, 17:11, 18:11, 19:11, 20:11, 21:11, 22:11, and 23:11. Which would you prefer?