user_turns: <SILENCE> im looking for an expensive restaurant in the south mexican <SILENCE> anything else what is the address what is the type of food 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 ? There are restaurants in the expensive price range and the south of town . What type of food would you like? api_call mexican south expensive chiquito_restaurant_bar serves mexican food in the expensive price range Sorry but there is no other mexican restaurant in the expensive price range and the south of town Sure , chiquito_restaurant_bar is on chiquito_restaurant_bar_address chiquito_restaurant_bar serves mexican food  you are welcome