i need to take a train from cambridge , i will be leaving after 18:00 on wednesday .
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': 'five'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '18:00'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
i have 5 that leave after 18:00 . do you have a specific time in mind ?