oh , yes i am hoping you can help me with finding a train departing out of cambridge . i need to go to birmingham new street .
certainly ! where would you like to go ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': 'plenty'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
there are plenty of trains going there . what day and time would you like to travel ?