user_turns: <SILENCE> i want an expensive restaurant in the east part of town it doesnt matter <SILENCE> um what and what type of whats the phone number and what type of food does it serve 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 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 The phone number of sitar_tandoori is sitar_tandoori_phone sitar_tandoori serves indian food  you are welcome