user_turns: <SILENCE> <SILENCE> cheap <SILENCE> south <SILENCE> address post code 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 ? Would you like something in the cheap , moderate , or expensive price range? api_call R_cuisine R_location cheap the_cambridge_chop_house is a great restaurant api_call R_cuisine south cheap the_lucky_star is in the south part of town . Sure , the_lucky_star is on the_lucky_star_address The post code of the_lucky_star is the_lucky_star_post_code  you are welcome