user_turns: <SILENCE> mexican <SILENCE> uh restaurant address address area 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 ? api_call mexican R_location R_price chiquito_restaurant_bar serves mexican food I am sorry but there is no other mexican restaurant that matches your request chiquito_restaurant_bar is a great restaurant Sure , chiquito_restaurant_bar is on chiquito_restaurant_bar_address chiquito_restaurant_bar is a nice place in the south of town  you are welcome