generate response: Wait. Leaving for London king not Ely. I am going to Cambridge. I need a train for that.. Intent: find_train. Slots: train-day=sunday, train-departure=london kings cross, train-destination=cambridge, train-leaveat=14:45
Response: TR7931 departing London Kings Cross at 15:17 and arriving in Cambridge at 116:08. Would you like me to book a seat for you?