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 pub, or a restaurant.'
User: 'sil'
System: 'Can I help you with anything else?'
User: 'an italian restaurant'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, central, or Newnham area.'
User: 'an italian restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, King's College, or the Museum of Archaelogy and Anthropology.'
User: 'dont care'
System: 'Caffe Uno, which serves italian food, is an outstanding restaurant.'
User: 'sil'
System: 'Caffe Uno, which serves italian food, is an outstanding restaurant.'
User: 'dont care'
System: 'Caffe Uno, which serves italian food, is an outstanding restaurant.'
User: 'expensive price range'
System: 'Caffe Uno is a great venue. The price for main courses ranges from 6 pounds 95 to 16 pounds 95 and the price for a glass of wine ranges from 3 pounds 25 to 6 pounds 50.'
User: 'expensive price range'
System: 'Caffe Uno is an outstanding venue. The price for main courses ranges from 6 pounds 95 to 16 pounds 95 and the price for a glass of wine ranges from 3 pounds 25 to 6 pounds 50.'
User: 'expensive'
System: 'Caffe Uno is an outstanding restaurant.'
User: 'i want to find an expensive'
System: 'Ask, which serves italian food, is a great restaurant. It's in the expensive price range.'
User: 'i want to find an expensive italian restaurant'
System: 'Ask, which serves italian food, is a great restaurant. It's in the expensive price range.'
User: 'ok i need the address'
System: 'Ask is on 12 Bridge Street.'
User: 'i need the address and'
System: 'Ask is on 12 Bridge Street.'
User: 'i need the phone number'
System: 'The phone number of Ask is 01223364917.'
User: 'phone number'
System: 'The phone number of Ask is 01223364917.'
User: 'thank you goodbye'

Output (English): Expensive