i am looking for a train that leaves saturday going to ely , do you have a train with those details ?
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': '10'} {'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'cambridge'} {'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'saturday'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'ely'} {'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'arrive', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'leave', 'value': '?'}
there are 10 trains on saturday that go to ely from cambridge . what time do you need to leave or arrive , and how many tickets do you need ?