generate response: I need to leave from cambridge and leave after 08:30. Intent: find_train. Slots: train-day=thursday, train-departure=cambridge, train-destination=ely, train-leaveat=after 08:30, 08:45
Response: I have a train TR1923 leaving cambridge at 9:50 and arriving in ely at 10:07 on thursday. Would you like to reserve this?