i need a train that leaves this thursday from cambridge to ely .
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '10'} {'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'thursday'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'ely'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': 'on the :50 every two hours'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': ' 05:50'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': ' 23:50'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
i have 10 trains to ely thursday , leaving on the :50 every 2 hour -s from 05:50 to 23:50 . did you have a particular time in mind ?