user_turns: <SILENCE> expensive restaurant south south part south expensive <SILENCE> can i have the phone number and the address 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 west of town . What type of food do you want? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? 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 taj_tandoori is a nice place in the south of town and the prices are expensive The phone number of taj_tandoori is taj_tandoori_phone Sure , taj_tandoori is on taj_tandoori_address  you are welcome