user_turns: <SILENCE> i want to find a cheap restaurant in the south part of town cheap thank you <SILENCE> in the inner south i want something in the south part of town i want something in the south i want something in the south part of town what is the address and the type of food what is the address thank you goodbye 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 ? Would you like something in the cheap , moderate , or expensive price range? What kind of food would you like? api_call R_cuisine R_location cheap The price range at la_margherita is cheap . la_margherita is a nice place in the west of town The price range at la_margherita is cheap . The price range at the_missing_sock is cheap . nandos is a nice restaurant in the south of town in the cheap price range The post code of nandos is nandos_post_code Sure , nandos is on nandos_address nandos is a nice restaurant in the south of town in the cheap price range  you are welcome