i am looking for a train to cambridge that leaves on saturday . i am leaving ely and want to be in cambridge by 12:15 .
i am getting the train schedule on my computer as we speak , where will you be coming from and what time ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '12:15'} {'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': 'four'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
we have 4 trains arriving by 12:15 . is there any particular time you would like to leave by ?