i am looking for information in cambridge . i would like info on train travel .
what can i help you with ?
{'service': 'train', 'act': 'request', 'slot_name': 'dest', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'depart', 'value': '?'}
what day would you like to travel ? where are you departing and arriving to ?