hi . i am looking for a train going to kings lynn on monday .
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '19'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
i have 19 different options . can you tell me if you have a time you want to leave or arrive by ?