i need a train that leaves on sunday from london liverpool street .
{'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '5:39'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '7:07'}
my earliest train is leaving at 5:39 am and arriving at 7:07 am . is that acceptable ?