user_turns: <SILENCE> im looking for an expensive restaurant and it should be east part of town any <SILENCE> is it expensive whats the address food what type of food 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? api_call R_cuisine east expensive royal_standard is a nice restaurant in the east of town serving gastropub food royal_standard is a nice restaurant in the east of town in the expensive price range Sure , royal_standard is on royal_standard_address royal_standard is a nice restaurant in the east of town in the expensive price range royal_standard serves gastropub food  you are welcome