user_turns: <SILENCE> i want to find an expensive restaurant in the south part of town i dont care is there anything else <SILENCE> what is the phone number 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? the good luck chinese food takeaway is a nice restaurant in the south of town serving chinese food api_call R_cuisine south expensive peking_restaurant is a nice restaurant in the south of town serving chinese food The phone number of peking_restaurant is peking_restaurant_phone  you are welcome