i need to find a train from cambridge to ely that leaves after 09:00 i will be traveling on monday .
what day would you like to travel ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '10:07'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '9:50'} {'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'cambridge '} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'ely'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr8399 '} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
i have tr8399 leaving cambridge at 9:50 and arriving at 10:07 in ely . would you like to book that ?