generate response: I would like to arrive at the airport by 10:45.. Intent: find_train. Slots: train-day=wednesday, train-departure=cambridge, train-destination=stansted airport, train-leaveat=10:45
Response: Train TR1691 leaves stansted airport at 11:24 and arrives in cambridge at 11:52. Would that work for you? I'd be happy to book tickets for your group.