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: 'uh im looking for a restaurant'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'cheap'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, Churchill College, or the People's Portraits Exhibition.'
User: 'churchill college'
System: 'What part of town do you have in mind? For example, Newnham, or Romsey. I can't hear you. What part of town do you have in mind? For example, Newnham, or Romsey.'
User: 'newnham unintelligible'
System: 'Can I help you with anything else?'
User: 'unintelligible can i have a phone number of this place'
System: 'Are you looking for somewhere near a particular venue? For example, the Botanic Gardens, Great Saint Mary's Church, or Jesus College.'
User: 'church'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Italian, or Seafood.'
User: 'mexican or tex mex'
System: 'There is no restaurant serving mexican and tex mex food in the cheap price range.'
User: 'can i have that in expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, or Kettle's Yard.'
User: 'john'
System: 'Chiquito is a great restaurant, it serves mexican and tex mex food and it's in the expensive price range.'
User: 'what is the phone number of unintelligible'
System: 'The phone number of Chiquito is 01223400170. The price for main courses ranges from 7 pounds 95 to 15 pounds 95.'
User: 'whats the address'
System: 'Chiquito is located on Cambridge Leisure Park.'
User: 'thank you good bye'

Output (English): Expensive