user_turns: <SILENCE> <SILENCE> im looking <SILENCE> im looking for an expensive restaurant in the <SILENCE> south part of town <SILENCE> anything else 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? api_call R_cuisine R_location R_price the_nirala is in the north part of town . api_call R_cuisine R_location expensive don_pasquale_pizzeria is a nice restaurant in the centre of town in the expensive price range api_call R_cuisine south expensive chiquito_restaurant_bar is a nice restaurant in the south of town in the expensive price range peking_restaurant is a nice restaurant in the south of town in the expensive price range The phone number of peking_restaurant is peking_restaurant_phone  you are welcome