generate response: Great can you also help me get a train? I'm looking to go to ely and arrive by 21:30. Intent: find_train. Slots: restaurant-area=centre, restaurant-bookday=sunday, restaurant-bookpeople=5, restaurant-booktime=11:45, restaurant-name=fitzbillies restaurant, fitzbillies, restaurant-pricerange=expensive, train-arriveby=21:30, train-departure=cambridge, train-destination=ely
Response: On what day will you be leaving?