hello , i need a train to take me london kings cross and i need to arrive by 13:15 .
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr5767'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '05:00'}
how about tr5767 that leaves at 05:00 ?