i need the schedule of the the train going to ely on tuesday . my leave time is flexible . i just need to arrive by 14:30 . i will be departing from cambridge .
what time do you need to leave ? where will you be departing from ?
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr3420 '} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'ely'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '14:07'} {'service': 'train', 'act': 'inform', 'slot_name': 'time', 'value': '17 minute'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '13:50'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
train tr3420 leaves at 13:50 and gets to ely at 14:07 , 17 minute trip . do you need tickets ?