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: 'i want to find a cheap restaurant and it should be in castle hill area'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Fen Ditton, or Romsey area.'
User: 'i want to find a cheap'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, Pembroke College, or Saint Catharine's College.'
User: 'restaurant'
System: 'What type of food would you like? For example, Drinks and snacks only, Seafood, or Thai.'
User: 'in castle hill area'
System: 'What part of town do you have in mind? For example, something in the Newnham, riverside, or Romsey area.'
User: 'i dont care'
System: 'La Raza, which is in the cheap price range, is an outstanding restaurant.'
User: 'in the castle hill area'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'is it'
System: 'What type of food would you like? For example, French, International, or Thai.'
User: 'is it in the castle hill area'
System: 'Are you looking for somewhere near a particular venue? For example, Jesus College, Old Schools, or The Fitzwilliam Museum.'
User: 'any type of food'
System: 'Are you looking for somewhere near a particular venue? For example, Cambridge Contemporary Art, Jesus College, or the Saint Barnabas Press Gallery.'
User: 'yes im looking for a particular place'
System: 'There is no restaurant serving japanese food in the cheap price range.'
User: 'unintelligible'
System: 'There is no restaurant serving japanese food in the cheap price range.'
User: 'yes'
System: 'Blue Spice is a great restaurant.'
User: 'im looking fo'
System: 'There is no restaurant serving japanese food in the cheap price range.'
User: 'im looking for a'
System: 'Caffe Uno is a great restaurant.'
User: 'im looking for a cheap restaurant'
System: 'There is no restaurant serving japanese food in the cheap price range.'
User: 'im looking for cheap restaurant meals'
System: 'The Dojo Noodle Bar, which is in the cheap price range, is a great restaurant.'
User: 'sil'
System: 'Would you like a japanese food, or you don't care?'
User: 'i dont care'
System: 'La Raza, which is in the cheap price range, is an outstanding restaurant.'
User: 'i want to find a cheap restaurant'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'and it should be in castle hill area'
System: 'Are you looking for somewhere near a particular venue? For example, Little Saint Mary's, the Michaelhouse Centre, or Wandlebury Country Park.'
User: 'yes near castle hill area'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'is near castle hill area'
System: 'La Raza is an outstanding restaurant and it's in the cheap price range.'
User: 'is near castle hill area'
System: 'La Raza, which is in the cheap price range, is an outstanding restaurant.'
User: 'thank you good bye'

Output: You want to find a cheap restaurant and it should be in the Castle Hill area. Make sure you get the address, phone number, and type of food of the venue.