hi , i need to catch a train from stevenage to cambridge . i need to leave on wednesday and arrive no later than 21:45 . how long will that trip take ?
i can help you with that . what day will you be traveling ? i have train tr4015 that leaves at 19:54 , and arrives at 20:43 . is that to your liking ?
{'service': 'train', 'act': 'inform', 'slot_name': 'time', 'value': '49 minutes'}
the travel time for that train is 49 minutes