generate response: Yes I need a train from London Kings Cross to Cambridge for Sunday to arrive in Cambridge by 20:45 please.. Intent: find_train. Slots: hotel-area=centre, hotel-bookday=sunday, hotel-bookpeople=6, hotel-bookstay=3, hotel-internet=yes, hotel-name=gonville hotel, hotel-pricerange=expensive, hotel-type=hotel, train-arriveby=20:45, train-day=sunday, train-departure=london kings cross, train-destination=cambridge
Response: Okay the TR1681 leaves at 19:17 and arrives at 20:08.