i am looking for a train leaving on saturday .
{'service': 'train', 'act': 'inform', 'slot_name': 'choice', 'value': 'several'} {'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'sunday'} {'service': 'train', 'act': 'request', 'slot_name': 'depart', 'value': '?'} {'service': 'train', 'act': 'request', 'slot_name': 'dest', 'value': '?'}
there are several trains leaving on sunday . do you have a departure and destination in mind ?