generate response: We are going from london kings cross to cambridge and we need to be there by 11:30.. Intent: find_train. Slots: train-arriveby=11:30, train-day=wednesday, train-departure=london kings cross, train-destination=cambridge
Response: Train TR3810 is the closest to an 11:30 arrival it would leave at 9:17 and get to there by 10:08, would you like me to book you?