generate response: I need a train from norwich to get to the hotel by 16:30.. Intent: find_train. Slots: hotel-area=west, hotel-bookday=saturday, hotel-bookpeople=3, hotel-bookstay=3, hotel-internet=yes, hotel-name=cambridge belfry, hotel-parking=yes, hotel-type=hotel, train-arriveby=16:30, train-day=saturday, train-departure=norwich, train-destination=cambridge
Response: I have several available. When do you want to leave?