generate response: The train should leave after 09:30. depart from cambridge and should leave on tuesday. Intent: find_train. Slots: train-day=tuesday, train-departure=cambridge, train-destination=stevenage, train-leaveat=09:30
Response: The earliest train after that time is TR6009. It departs at 11:21 and arrives in Stevenage at 12:10. Would that work or do you prefer a later train?