hello , i am looking for a guest house . i need 1 in cambridge and i would like a 4 star rating .
great , i can help you , let me just get some more information . is there a specific location or price range you would like to stay within ?
{'service': 'hotel', 'act': 'request', 'slot_name': 'area', 'value': '?'} {'service': 'hotel', 'act': 'request', 'slot_name': 'price', 'value': '?'} {'service': 'hotel', 'act': 'inform', 'slot_name': 'choice', 'value': '18'}
there are 18 options , do you have any other preferences such as area or price range ?