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: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'coffee shop'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'background noise'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'cheap'
System: 'What part of town do you have in mind? For example, something in the Arbury, Fen Ditton, or New Chesterton area. I can't hear you. What part of town do you have in mind? For example, something in the Arbury, Fen Ditton, or New Chesterton area.'
User: 'arbury'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, Little Saint Mary's, or Trinity College.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the central, New Chesterton, or Romsey area.'
User: 'central'
System: 'Are you looking for a cafe or a restaurant?'
User: 'coffee shop'
System: 'What part of town do you have in mind? For example, Castle Hill, or Girton.'
User: 'castle hill'
System: 'What type of food would you like? For example, Drinks and snacks only, or English.'
User: 'drink'
System: 'What part of town do you have in mind? For example, something in the Chesterton, Newnham, or Trumpington area.'
User: 'good bye'

Output (English): Cheap