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: 'background noise'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'background noise'
System: 'Can I help you with anything else?'
User: 'cheap restaurant'
System: 'Let me confirm. You are looking for a venue in the cheap price range.'
User: 'unintelligible'
System: 'Let me confirm. You are looking for a venue in the cheap price range.'
User: 'yes'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'yes'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'romsey area'
System: 'The Royal Standard, which is in the Romsey part of town, is an outstanding restaurant. It's in the cheap price range.'
User: 'background noise rom'
System: 'There is no pub in the Romsey area.'
User: 'phone number'
System: 'The Baron of Beef is an outstanding pub and it's in the cheap price range.'
User: 'phone number'
System: 'The phone number of The Baron of Beef is 01223505022.'
User: 'cheap restaurant in the romsey area'
System: 'The Royal Standard is a great restaurant, it's in the Romsey part of town and it's in the cheap price range.'
User: 'background noise'
System: 'There is no pub in the Romsey area.'
User: 'phone number'
System: 'The phone number of the Royal Standard is 01223902175.'
User: 'phone number'
System: 'The phone number of the Royal Standard is 01223902175.'
User: 'type of food'
System: 'The Baron of Beef, which is in the cheap price range, is an outstanding pub.'
User: 'type of food'
System: 'The Baron of Beef, which is in the cheap price range, is a great pub.'
User: 'thank you good bye'

Output (English): Cheap