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: 'cafe'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'spanish restaurant'
System: 'What type of food would you like? For example, Northern european, Fastfood, or Thai.'
User: 'fresh'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, Chesterton, or New Chesterton area.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Magdalene College, Saint John's College, or Primavera.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the central, New Chesterton, or riverside area.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Fen Ditton, or Trumpington area.'
User: 'i dont care'
System: 'Blue Spice is an outstanding restaurant.'
User: 'trumpington'
System: 'The Oak Bistro is an outstanding restaurant and it's in the Trumpington part of town.'
User: 'price range'
System: 'The Oak Bistro, which is in the Trumpington part of town, is a great restaurant.'
User: 'cheap'
System: 'There is no restaurant in the Trumpington area in the cheap price range.'
User: 'cheap'
System: 'La Raza, which is in the cheap price range, is an outstanding restaurant.'
User: 'sil'
System: 'La Raza, which is in the cheap price range, is an outstanding restaurant.'
User: 'phone number'
System: 'The phone number of La Raza is 01223464550.'
User: 'phone number'
System: 'The phone number of La Raza is 01223464550.'
User: 'what is the price'
System: 'La Raza is an outstanding venue. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'what is the price'
System: 'La Raza is an outstanding venue. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'hum'
System: 'La Raza is on 4-6, The Basement, Rose Crescent.'
User: 'thank you goodbye'

Output (English): Cheap