user_turns: <SILENCE> uh cheap restaurant i dont care south part south of the town im looking in the south of the town <SILENCE> next next next <SILENCE> address post code okay 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 ? There are restaurants in the cheap price range . What type of food do you want? There are restaurants serving any kind of food in the cheap price range . What area would you like? What part of town do you have in mind? Sorry, I can't hear you api_call R_cuisine south cheap nandos is a nice place in the south of town and the prices are cheap the_lucky_star is a nice place in the south of town and the prices are cheap nandos is a nice place in the south of town and the prices are cheap Sorry but there is no other restaurant in the cheap price range and the south of town nandos is a nice place in the south of town and the prices are cheap Sure , nandos is on nandos_address The post code of nandos is nandos_post_code  you are welcome