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: 'coughing'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'im looking for an expensive restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Byard Art, Hughes Hall, or the Museum of Classical Archaeology.'
User: 'in the fen ditton area'
System: 'What part of town do you have in mind? For example, central, or Trumpington.'
User: 'fen ditton'
System: 'There is no pub in the expensive price range.'
User: 'thank you good bye'

Output (English): Expensive