generate response: I'd like to leave after 11:45, please.. Intent: find_train. Slots: train-day=friday, train-departure=leicester, train-destination=cambridge, train-leaveat=11:45
Response: Okay, I think TR4170 would be most suitable for you, leaving Leicester on Friday at 09:09 and arriving in Cambridge by 10:54. Shall I book you a ticket?