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 would like to find a coffee shop'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'serving itailian food'
System: 'Are you looking for somewhere near a particular venue? For example, Churchill College, Magdalene College, or the Michaelhouse Centre.'
User: 'and it should have expensive price range'
System: 'Caffe Nero, which serves italian food, is a great cafe. It's in the expensive price range.'
User: 'any would do'
System: 'Are you looking for somewhere near a particular venue? For example, Clare College, or the Regency Gallery.'
User: 'i want to know'
System: 'What part of town do you have in mind? For example, something in the Chesterton, New Chesterton, or Romsey area.'
User: 'i want to know the phone number'
System: 'The phone number of Caffe Nero is 01223307728. The price for main courses ranges from 3 pounds 50 to 3 pounds 85 and the price for a cappuccino is 2 pounds 15.'
User: 'new chesterton'
System: 'There is no cafe in the New Chesterton area.'
User: 'nic uhm unintelligible'
System: 'There is no cafe in the New Chesterton area.'
User: 'post code'
System: 'Caffe Nero is in the area with the postcode CB2 3PA.'
User: 'post code'
System: 'Caffe Nero is in the area with the postcode CB2 3PA.'
User: 'nice thank you and have a great day'
System: 'Caffe Nero is an outstanding cafe.'
User: 'thank you good bye'

Output (English): Expensive