hi i need to find a place to stay with a 3 star rating with free parking could you find me a 1 that is cheap ?
there are 64 star hotel -s in cambridge . do you have a preferred price range ?
{'service': 'hotel', 'act': 'nooffer', 'slot_name': 'price', 'value': 'cheap'}
there is none that is cheap . would you like to change your criteria ?