user_turns: <SILENCE> id like a restaurant in the south part of town that serves cuban cuban how about portuguese <SILENCE> could i have the phone number what about the address 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 ? What kind of food would you like? I'm sorry but there is no restaurant serving cuban food api_call R_cuisine south R_price the_lucky_star is a nice place in the south of town The phone number of the_lucky_star is the_lucky_star_phone Sure , the_lucky_star is on the_lucky_star_address  you are welcome