generate response: The train should leave after 11:15. Thanks. Intent: find_train. Slots: train-day=friday, train-departure=cambridge, train-destination=ely, train-leaveat=11:15
Response: Train TR0767 leaves Cambridge at 11:50 and arrives at ely at 12:07. The fare is 4.40 pounds. The travel time is 17 minutes. Do you want me to book this?