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: 'cough'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'im loo'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'restaurant im looking for a mexican'
System: 'What part of town do you have in mind? For example, something in the Chesterton, Fen Ditton, or New Chesterton area.'
User: 'mexican tex mex restaurant'
System: 'What part of town do you have in mind? For example, Barnwell, or New Chesterton.'
User: 'chesterton is fine uh mexican'
System: 'There is no restaurant in the Chesterton area and serving mexican and tex mex food.'
User: 'ches'
System: 'Can I help you with anything else?'
User: 'ches chesterton is fine'
System: 'Twenty-four, which is in the Chesterton part of town, is an outstanding restaurant.'
User: 'yes mexican tex mex restaurant'
System: 'Twenty-four is located on 24 Cambridge Science Park, Milton Road.'
User: 'and it should have expensive price range'
System: 'Twenty-four is an outstanding venue. The price for main courses ranges from 6 pounds to 15 pounds.'
User: 'and i want another phone number and postcode'
System: 'The phone number of Twenty-four is 01223395800 and it's in the area with the postcode CB4 0FN.'
User: 'thats fine phone number and post'
System: 'There is no pub in the Chesterton area.'
User: 'got it thank you'
System: 'Can I help you with anything else?'
User: 'thank you and goodbye'

Output (English): Expensive