user_turns: <SILENCE> expensive east any <SILENCE> food type of food address phone number type of food served 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 royal_standard is a nice place in the east of town and the prices are expensive grafton_hotel_restaurant is a nice place in the east of town and the prices are expensive grafton_hotel_restaurant is a great restaurant Sure , grafton_hotel_restaurant is on grafton_hotel_restaurant_address The phone number of grafton_hotel_restaurant is grafton_hotel_restaurant_phone grafton_hotel_restaurant serves british food grafton_hotel_restaurant is a great restaurant  you are welcome