i need train reservations from norwich to cambridge
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '133'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
i have 133 trains matching your request . is there a specific day and time you would like to travel ?