user_turns: <SILENCE> im looking for an expensive restauran doesnt matter ye east part ot tow expensive <SILENCE> whats the address and post code um 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? You are looking for a restaurant serving any kind of food right? What part of town do you have in mind? There are restaurants in the east of town serving any kind of food . What price range would you like? api_call R_cuisine east expensive yu_garden is a nice place in the east of town and the prices are expensive yu_garden is on yu_garden_address  you are welcome