user_turns: <SILENCE> cheap restaurant south part of town yes yes yeah south <SILENCE> address phone number type of food 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 kind of food would you like? You are looking for a restaurant serving any kind of food right? Let me confirm , You are looking for a restaurant in the cheap price range right? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? api_call R_cuisine south cheap the_lucky_star is a nice place in the south of town and the prices are cheap Sure , the_lucky_star is on the_lucky_star_address The phone number of the_lucky_star is the_lucky_star_phone the_lucky_star is a great restaurant  you are welcome