do you have any trains leaving out of stansted airport on thursday ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '19'} {'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'that day'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
we have 19 trains available that day . could you tell me what time you will be departing and what time you would like to arrive by ?