user_turns: <SILENCE> cheap restaurant in the south part of town dont care cheap restaurant <SILENCE> what is the address and 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 south of town . What type of food do you want? There are restaurants in the south of town serving any kind of food . What price range 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 The phone number of the_lucky_star is the_lucky_star_phone  you are welcome