i am planning a trip to cambridge and am looking for a hotel .
{'service': 'hotel', 'act': 'request', 'slot_name': 'price', 'value': '?'} {'service': 'hotel', 'act': 'inform', 'slot_name': 'choice', 'value': 'at least 9'}
there are at least 9 hotel -s in the area . what price range would you like ?