user_turns: <SILENCE> looking for an expensive restaurant part of town yes any kind <SILENCE> south part of town <SILENCE> uh whats 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 part of town do you have in mind? You are looking for a restaurant is that right? What kind of food would you like? api_call R_cuisine R_location expensive cambridge_lodge_restaurant is a nice restaurant in the west of town serving european 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