i am planning a trip to cambridge i need a train for friday ?
do you need a train ? or would you like information on restaurant -s , attractions , or hotel -s ?
{'service': 'train', 'act': 'request', 'slot_name': 'dest', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
there are hundreds of trains i can book for you . where are you going and what time do you need to be there ?