i am planning a trip to cambridge and need info on trains . i am coming from birmingham new st .
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'day', 'value': '?'}
i can find you quite a few trains for your trip . on what day will you be traveling , and at what time would you like to depart ?