user_turns: <SILENCE> thai food center yes <SILENCE> <SILENCE> <SILENCE> whats the address phone number and price whats the price range 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 part of town do you have in mind? Did you say you are looking for a restaurant in the centre of town? api_call thai R_location R_price bangkok_city is a nice place in the centre of town serving tasty thai food I am sorry but there is no other thai restaurant in the centre of town bangkok_city is a nice place in the centre of town serving tasty thai food The phone number of bangkok_city is bangkok_city_phone bangkok_city is in the expensive price range  you are welcome