are there any trains leaving after 17:15 that go to the stansted airport ?
{'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'cambridge'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'the airport'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '17:40'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '18:08'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
i have a train leaving cambridge at 17:40 and arriving at the airport at 18:08 . can i book that for you ?