i need a train leaving london king s cross after 14:45 .
{'service': 'general', 'act': 'greet', 'slot_name': 'none', 'value': 'none'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
i would be happy to help you book a train . in order to better help you , can you tell me what day you are looking to depart ?