user_turns: <SILENCE> <SILENCE> no cheap restaurant in the south part of town wrong <SILENCE> what is the address 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 kind of food would you like? You are looking for a restaurant serving any kind of food right? 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  you are welcome