user_turns: <SILENCE> im looking for a moderately priced restaurant that serves vietnamese food <SILENCE> vietnamese food indian food i dont care whats their address and 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 ? api_call vietnamese R_location moderate rajmahal is in the moderate price range I'm sorry but there is no restaurant serving moderate vietnamese food What part of town do you have in mind? rajmahal serves indian food in the moderate price range The phone number of rajmahal is rajmahal_phone  you are welcome