i am planning a trip in cambridge yes , i need a train to cambridge on thursday . i am leaving from the new street station in birmingham
excellent ! do you need assistance with transportation arrangements ? what will be the departure site ?
{'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
is there a time you have to leave or arrive at ?