generate response: tuesday, get me the reference number please.. Intent: find_train. Slots: hotel-bookday=tuesday, hotel-bookpeople=7, hotel-bookstay=4, hotel-name=ashley, ashley hotel, hotel-parking=yes, hotel-pricerange=moderate, hotel-type=hotel, train-arriveby=16:30, train-day=tuesday, train-departure=stevenage, train-destination=cambridge
Response: I was unable to book the ashley hotel for those times. Would you like to try a different hotel?