generate response: Yes, is there anything available after 11:00 that departs from london liverpool street and goes to cambridge?. Intent: find_train. Slots: train-day=saturday, train-departure=london liverpool street, train-destination=cambridge, train-leaveat=after 11:00, 11:15
Response: There is a train leaving London Liverpool Street at 11:39 and arrives in Cambridge at 13:07. Would you like me to book you some seats?