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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'noise sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'noise restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'expensive restaurant'
System: 'What type of food would you like? For example, Fusion, Japanese, or Spanish.'
User: 'expensive'
System: 'What type of food would you like? For example, English, Greek, or Japanese.'
User: 'dont care'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Chesterton, or King's Hedges area.'
User: 'in the addenbrooks area'
System: 'The Lucky Star is an outstanding restaurant, it's in the Addenbrooke's part of town and it's in the expensive price range.'
User: 'ad'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, Girton, or Newnham area.'
User: 'addonbrookes'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Girton, or Newnham area.'
User: 'noise addonbrookes area'
System: 'The Lucky Star, which is in the Addenbrooke's part of town, is a great restaurant. It's in the expensive price range.'
User: 'addonbrookes'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Castle Hill, or central area.'
User: 'i need the address'
System: 'The Lucky Star is on Unit.'
User: 'addonbookes'
System: 'The Lucky Star is an outstanding restaurant.'
User: 'noise sil'
System: 'The Lucky Star is an outstanding restaurant.'
User: 'i need th'
System: 'The Lucky Star is an outstanding restaurant.'
User: 'i need the address phone number and post card'
System: 'The Lucky Star is located on Unit and its phone number is 01223244277. The price for main courses ranges from 12 pounds 99 to 14 pounds 99.'
User: 'i need the the address phone number and post code'
System: 'The Lucky Star, which is in the area with the postcode CB1 7DY, is located on Unit. Its phone number is 01223244277.'
User: 'whats the post code'
System: 'The Lucky Star is in the area with the postcode CB1 7DY.'
User: 'thank you good bye'

Output (English): Expensive