user_turns: <SILENCE> restaurant in west part of town vietnamese food vietnamese <SILENCE> viet address and post code 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? I'm sorry but there is no restaurant serving swiss food api_call R_cuisine west R_price maharajah_tandoori_restaurant is a nice place in the west of town maharajah_tandoori_restaurant is a great restaurant Sure , maharajah_tandoori_restaurant is on maharajah_tandoori_restaurant_address The post code of maharajah_tandoori_restaurant is maharajah_tandoori_restaurant_post_code The phone number of maharajah_tandoori_restaurant is maharajah_tandoori_restaurant_phone  you are welcome