user_turns: <SILENCE> <SILENCE> im looking for an expensive restaurant in the east part of town i dont care <SILENCE> what type of food what type of food does it serve what type of food does it serve whats the address whats the phone number 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 The post code of yu_garden is yu_garden_post_code grafton_hotel_restaurant is a nice place in the east of town and the prices are expensive grafton_hotel_restaurant is a great restaurant grafton_hotel_restaurant serves british food Sure , grafton_hotel_restaurant is on grafton_hotel_restaurant_address The phone number of grafton_hotel_restaurant is grafton_hotel_restaurant_phone  you are welcome