user_turns: <SILENCE> <SILENCE> expensive yes east <SILENCE> anything else phone number phone number postcode thank you goodbye
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? You are looking for a restaurant serving any kind of food right? There are restaurants serving any kind of food in the expensive price range . What area would you like? api_call R_cuisine east expensive grafton_hotel_restaurant is a nice place in the east of town and the prices are expensive sitar_tandoori is a nice place in the east of town and the prices are expensive sitar_tandoori is a great restaurant The phone number of sitar_tandoori is sitar_tandoori_phone The post code of sitar_tandoori is sitar_tandoori_post_code  you are welcome