user_turns: <SILENCE> expensive restaurant south part of town any type yea expensive <SILENCE> anything else phone number phone number type of food food type anything else more is there anything else anything else thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? There are restaurants in the south of town . What type of food do you want? Did you say you are looking for a restaurant in the south of town? There are restaurants in the south of town serving any kind of food . What price range would you like? api_call R_cuisine south expensive chiquito_restaurant_bar is a nice place in the south of town and the prices are expensive taj_tandoori is a nice place in the south of town and the prices are expensive taj_tandoori is a great restaurant The phone number of taj_tandoori is taj_tandoori_phone taj_tandoori is a great restaurant the good luck chinese food takeaway is a nice place in the south of town and the prices are expensive frankie_and_bennys is a nice place in the south of town and the prices are expensive frankie_and_bennys is a great restaurant peking_restaurant is a nice place in the south of town and the prices are expensive Sorry but there is no other restaurant in the expensive price range and the south of town  you are welcome