user_turns: <SILENCE> im looking for a expensive restaurant in the east part of town east any type <SILENCE> can i get the address and phone number please thank you good bye 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 part of town do you have in mind? What kind of food 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 Sure , yu_garden is on yu_garden_address Sorry I am a bit confused ; please tell me again what you are looking for .  you are welcome