System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'im looking for a restaurant serving any kind of food and it should be free'
System: 'What type of food would you like? For example, Cafe food, pub, or Mediterranean.'
User: 'any type of food but it should be free'
System: 'What type of food would you like? For example, Mexican and Tex Mex, International, or Italian.'
User: 'mexican'
System: 'There is no restaurant serving mexican and tex mex food that is providing services for free.'
User: 'any restaurant serving any kind of food'
System: 'Would you like a free price range, or you don't care?'
User: 'and it should be free'
System: 'Are you looking for somewhere near a particular venue? For example, Hughes Hall, the Museum of Archaelogy and Anthropology, or Queens' College.'
User: 'museum of archaelogy'
System: 'Are you looking for somewhere near a particular venue? For example, the Museum Of Technology, Magdalene College, or Primavera.'
User: 'no'
System: 'The Michaelhouse Centre is a great restaurant and it doesn't charge any entrance fee.'
User: 'what is the phone number and address'
System: 'The Michaelhouse Centre is located on Michaelhouse, Trinity Street and its phone number is 01223309147.'
User: 'thank you goodbye'
Question: 'Did the user mention the area in which they are looking for restaurants?'
