user_turns: <SILENCE> <SILENCE> south part expensive <SILENCE> expensive expensive address expensive <SILENCE> yes address phone number thank you goodbye thank you goodbye <SILENCE> thank you goodbye thank you goodbye okay thank you goodbye
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? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine south expensive peking_restaurant is in the south part of town . peking_restaurant is a nice restaurant in the south of town in the expensive price range The post code of peking_restaurant is peking_restaurant_post_code peking_restaurant is a nice restaurant in the south of town in the expensive price range The post code of peking_restaurant is peking_restaurant_post_code peking_restaurant is a nice restaurant in the south of town in the expensive price range Sure , peking_restaurant is on peking_restaurant_address The phone number of peking_restaurant is peking_restaurant_phone taj_tandoori is a nice restaurant in the south of town in the expensive price range The post code of taj_tandoori is taj_tandoori_post_code taj_tandoori is a nice restaurant in the south of town in the expensive price range Sorry there is no expensive restaurant in the south of town serving international food Sorry there is no expensive restaurant in the east of town serving international food  you are welcome