hi , i am looking for a train . can you help me , please ? i need to go to bringham new street by 17:30
where do you need to go ?
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
ok , what day are you traveling , and do you need to leave or arrive by 17:30 ?