generate response: I will also need a train that will leave Cambridge after 2:00 pm to Ely on Tuesday. Intent: find_train. Slots: train-day=tuesday, train-departure=cambridge, train-destination=ely, train-leaveat=02:00, 2:00
Response: TR1534 leaves at 05:50 and arrives at 06:07. Would you like me to book a ticket for you?