hi , i need to catch a train from stevenage to cambridge . i need to leave on wednesday and arrive no later than 21:45 .
i can help you with that . what day will you be traveling ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '20:43'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '19:54'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr4015'}
i have train tr4015 that leaves at 19:54 , and arrives at 20:43 . is that to your liking ?