generate response: I am leaving London Kings Cross and I need to arrive by 14:15.. Intent: find_train. Slots: train-arriveby=14:15, train-day=thursday, train-departure=london kings cross, train-destination=cambridge
Response: TR2512 will depart at 13:17 and arrive at 14:08. The trip will take 51 minutes and it will cost 23.60 pounds. Would you like book?