user_turns: <SILENCE> expensive restaurant south part of town any expensive <SILENCE> phone number phone number post code <SILENCE> post code <SILENCE> 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 ? What kind of food would you like? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine south 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 The post code of taj_tandoori is taj_tandoori_post_code chiquito_restaurant_bar is a nice place in the south of town and the prices are expensive chiquito_restaurant_bar is a great restaurant The post code of chiquito_restaurant_bar is chiquito_restaurant_bar_post_code  you are welcome