user_turns: <SILENCE> find cheap restaurant in south part of town yeah right south yes <SILENCE> what else 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 ? There are restaurants in the cheap price range . What type of food do you want? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? Did you say you are looking for a restaurant in the south of town? api_call R_cuisine south 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 The phone number of nandos is nandos_phone  you are welcome