generate response: I would like to arrive in cambridge by 9:45 on sunday.. Intent: find_train. Slots: restaurant-area=west, restaurant-bookday=sunday, restaurant-bookpeople=2, restaurant-booktime=12:15, restaurant-food=indian, restaurant-name=cocum, restaurant-pricerange=expensive, train-arriveby=9:45, 09:45, train-day=sunday, train-departure=bishops stortford, train-destination=cambridge
Response: TR9219 departs at 05:29 and arrives at 06:07, can I purchase tickets for you?