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: 'i want to uh find uh a mexican uh tex mex restaurant uh uh which price is expensive'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'not so expensive price range'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, central, or Girton area.'
User: 'uh i want to get the phone number and the postcode of the venue'
System: 'What part of town do you have in mind? For example, something in the Arbury, King's Hedges, or Newnham area.'
User: 'i just want to find the mexican or tex mex restaurant uh with expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, Old Schools, or the Saint Barnabas Press Gallery.'
User: 'no uh the location could be anything'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Castle Hill, or Romsey area.'
User: 'in addenbrookes'
System: 'What part of town do you have in mind? For example, Chesterton, or Girton.'
User: 'or girton'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Chesterton, or King's Hedges area.'
User: 'addenbrookes'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Chesterton, or Newnham area.'
User: 'the chesterton'
System: 'There is no restaurant in the Chesterton area and serving mexican and tex mex food.'
User: 'uh but a any anywhere any location'
System: 'Nanna Mexico, which serves mexican and tex mex food, is a great restaurant. It's in the expensive price range.'
User: 'sil'
System: 'The phone number of Nanna Mexico is 01223902150. It's in the area with the postcode CB2 1AB. The price for main courses ranges from 5 pounds 35 to 15 pounds 50 and the price for a cappuccino is 2 pounds 95.'
User: 'okay thank you goodbye'

Output (English): Expensive