user_turns: <SILENCE> cheap restaurant dont care south <SILENCE> address <SILENCE> phone number 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? What part of town do you have in mind? api_call R_cuisine south cheap the_lucky_star is a great restaurant serving chinese food and it is in the cheap price range Sure , the_lucky_star is on the_lucky_star_address The price range at the_lucky_star is cheap . The phone number of the_lucky_star is the_lucky_star_phone  you are welcome