generate response: how about 8:45 on Friday?. Intent: book_train. Slots: restaurant-bookday=friday, restaurant-bookpeople=8, restaurant-booktime=8:45, restaurant-food=british, restaurant-pricerange=expensive, train-arriveby=16:45, train-bookpeople=8, train-day=friday, train-departure=cambridge, train-destination=kings lynn
Response: I'm sorry, I have not found a table anywhere for Friday. I have tried 8:45, 9:45 and 10:45. Is there any other time you could dine?