i need to book a train to cambridge on monday . i will be departing out of stevenage .
where will you be departing from ?
{'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'that day'} {'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '10'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
we have 10 different trains on that day . what time will you be departing or arriving ?