i am trying to find a train leaving after 14:45 that s heading out from london liverpool street . what do you have ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '45'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'dest', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
there are 45 trains that fit your criteria . please clarify your destination , day of travel and the time you want to arrive by so that i can narrow it down