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: 'restaurant'
System: 'What kind of price range are you looking for? For example, cheap.'
User: 'expensive'
System: 'What type of food would you like? For example, Chinese, Fastfood, or Thai.'
User: 'thai'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Continental, or Middleeastern.'
User: 'continental'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, Trinity College, or the Whipple Museum of the History of Science.'
User: 'addenbrookes'
System: 'What part of town do you have in mind? For example, something in the central, riverside, or Romsey area.'
User: 'addenbrookes area'
System: 'Alimentum, which is in the Addenbrooke's part of town, is a great restaurant. It serves continental and french food and it's in the expensive price range.'
User: 'address'
System: 'Alimentum is on 152-154 Hills Road.'
User: 'phone number'
System: 'The phone number of Alimentum is 01223413000.'
User: 'thank you goodbye'

Output (English): Expensive