generate response: Yes please, I need it for 4 people, 3 nights starting on Wednesday.. Intent: find_train. Slots: hotel-bookday=wednesday, hotel-bookpeople=4, hotel-bookstay=3, hotel-name=archway house, hotel-parking=yes, hotel-stars=4, hotel-type=guesthouse, train-arriveby=16:45, train-day=wednesday, train-departure=norwich, train-destination=cambridge
Response: Unfortunately, that length of stay is not available. Would you like to try again for a shorter stay?