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: 'hi im looking for a cheap restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Clare Hall.'
User: 'yes im looking for something in romsey area'
System: 'Let me confirm. You are looking for a venue in the Romsey area.'
User: 'romsey area yes'
System: 'What type of food would you like? For example, Drinks and snacks only, Contemporary, or Vegetarian.'
User: 'chinese food'
System: 'There is no restaurant in the Romsey area and serving chinese food.'
User: 'oh and what about mexican food'
System: 'There is no restaurant in the Romsey area and serving chinese food.'
User: 'and mexican food'
System: 'Would you like a romsey area, or you don't care?'
User: 'ya i would like the romsey area'
System: 'There is no restaurant serving mexican and tex mex food in the cheap price range.'
User: 'and i want'
System: 'There is no restaurant serving mexican and tex mex food in the cheap price range.'
User: 'ah what about asian food'
System: 'Would you like a cheap price range, or you don't care?'
User: 'cheap price range'
System: 'Would you like a mexican and tex mex food, or you don't care?'
User: 'please'
System: 'Would you like a mexican and tex mex food, or you don't care?'
User: 'mexican'
System: 'There is no restaurant serving mexican and tex mex food in the cheap price range.'
User: 'ok'
System: 'Can I help you with anything else?'
User: 'thank you good bye'

Output (English): Cheap