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 price range are you looking for? For example, cheap, free, or moderate.'
User: 'cheap'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'cheap coffee shop'
System: 'What type of food would you like? For example, Cafe food, Fusion, or Thai.'
User: 'coffee shop'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Cherry Hinton, or Trumpington area.'
User: 'coffee shop'
System: 'What type of food would you like? For example, American, or French.'
User: 'sil'
System: 'What part of town do you have in mind? For example, Cherry Hinton, or Trumpington.'
User: 'doesnt matter'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, Holy Trinity Church, or Saint John's College.'
User: 'none i want to know the address and price'
System: 'What type of food would you like? For example, Continental, Spanish, or Turkish.'
User: 'no'
System: 'What type of food would you like? For example, Drinks and snacks only, East asian, or Chinese.'
User: 'no'
System: 'Are you looking for somewhere near a particular venue? For example, the Book and Print Gallery, Magdalene College, or the Saint Barnabas Press Gallery.'
User: 'coffee'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, King's College, or the Museum of Archaelogy and Anthropology.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the King's Hedges, riverside, or Trumpington area.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, King's Hedges, or New Chesterton area.'
User: 'none'
System: 'What part of town do you have in mind? For example, Addenbrooke's, or central.'
User: 'thank you very much good bye'
System: 'What type of food would you like? For example, Mediterranean, Traditional, or Vegetarian.'
User: 'thank you very much good bye'

Output (English): Cheap