generate response: No. Could you please find me a restaurant in the center of town in the expensive price range?. Intent: find_train. Slots: restaurant-area=centre, restaurant-pricerange=expensive, train-arriveby=21:30, train-day=tuesday, train-departure=cambridge, train-destination=london liverpool street
Response: We have 5 different restaurants in the centre. Two of them are expensive, one of them is African cuisine, the other is oriental cuisine. What do you prefer?