user_turns: <SILENCE> i need a cheap restaurant in the south part of town i dont care <SILENCE> whats the address whats 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 and the south of town . What type of food would you like? 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  you are welcome