Task: Dialogue State Tracking
Input (English): 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 cafe'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'dont care'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'do not care'
System: 'What type of food would you like? For example, French, International, or Italian.'
User: 'cafe'
System: 'Are you looking for somewhere near a particular venue? For example, Hughes Hall, Jesus College, or the Regency Gallery.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, New Chesterton, or riverside area.'
User: 'do not care'
System: 'What type of food would you like? For example, International, Mediterranean, or Seafood.'
User: 'do not care'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, King's Hedges, or Romsey area.'
User: 'international cafe'
System: 'There is no cafe serving international food.'
User: 'do not care'
System: 'There is no cafe serving international food.'
User: 'american cafe'
System: 'There is no cafe serving american food.'
User: 'what kind of food does a cafe serve'
System: 'There is no cafe serving american food.'
User: 'um'
System: 'Would you like an american food, or you don't care?'
User: 'cafe'
System: 'Would you like an american food, or you don't care?'
User: 'a cafe food restaurant male voice talking over last word'
System: 'Would you like american or X food?'
User: 'thank you good bye'

Output (English): Don't Care