generate response: Actually, I gave you the wrong day. I'd like to travel on Wednesday, from Cambridge to Broxbourne, and I'd like to leave anytime after 12:45.. Intent: find_train. Slots: train-day=wednesday, train-departure=cambridge, train-destination=broxbourne, train-leaveat=12:45
Response: No problem. I found 11 trains matching your request. What time would you like to arrive?