user_turns: <SILENCE> im looking for food no no no i dont care <SILENCE> what about in any area how about the west of town <SILENCE> may i have the address 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? You are looking for a restaurant serving any kind of food right? Did you say you are looking for a restaurant in the east of town? Would you like something in the cheap , moderate , or expensive price range? api_call portuguese R_location R_price grafton_hotel_restaurant is a nice place in the east of town I'm sorry but there is no portuguese restaurant in the east of town api_call portuguese west R_price nandos serves portuguese food Sure , nandos is on nandos_address  you are welcome