user_turns: <SILENCE> im looking for an expensive restaurant in the east part of town i dont care <SILENCE> im looking for an expensive is there anything else is it expensive what is the address and what is 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 kind of food would you like? api_call R_cuisine east expensive yu_garden is a nice restaurant in the east of town serving chinese food yu_garden is a nice restaurant in the east of town in the expensive price range grafton_hotel_restaurant is a nice restaurant in the east of town serving british food grafton_hotel_restaurant is a nice restaurant in the east of town in the expensive price range 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