user_turns: <SILENCE> cough cough indian food <SILENCE> cheap cough <SILENCE> cheap price range address thank you goodbye
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? I'm sorry but there is no restaurant serving christmas food api_call indian R_location R_price curry_garden serves indian food curry_garden is a great restaurant api_call indian R_location cheap mahal_of_cambridge serves indian food mahal_of_cambridge is in the cheap price range Sure , mahal_of_cambridge is on mahal_of_cambridge_address  you are welcome