user_turns: <SILENCE> i would like to find an expensive restaurant that serves corsica food uh how about north_american <SILENCE> food is there another alternative oh so what is the phone number what about the 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 ? I'm sorry but there is no restaurant serving corsica food api_call R_cuisine R_location expensive shiraz_restaurant is in the expensive price range eraina is in the expensive price range eraina is a great restaurant The phone number of eraina is eraina_phone The post code of eraina is eraina_post_code  you are welcome