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 in cherry hinton'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'background noise'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'any price range'
System: 'Are you looking for somewhere near a particular venue? For example, Emmanuel College, the Michaelhouse Centre, or the Whipple Museum.'
User: 'no'
System: 'What type of food would you like? For example, Northern european, Italian, or Middleeastern.'
User: 'any'
System: 'What type of food would you like? For example, pub, American, or Chinese.'
User: 'any'
System: 'What type of food would you like? For example, Fusion, Japanese, or Turkish.'
User: 'american'
System: 'There is no restaurant in the Cherry Hinton area and serving american food.'
User: 'thank you good bye'
