can you help me find a train leaving thursday departing from london liverpool street ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '10'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'cambridge'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
i have 10 trains leaving at this day and time with cambridge as the destination . what will your approximate departure time be ?