generate response: Yes, I would like to book a train that will arrive in Ely before 11:30.. Intent: find_train. Slots: train-arriveby=11:30, train-day=friday, train-departure=cambridge, train-destination=ely
Response: TR8792 departs Cambridge at 9:50 and arrives in Ely at 10:07. Would you like a ticket on that train?