i need a train that departs from cambridge and arrives at london liverpool street . can you help me ? i want to leave on saturday and should arrive by 18:00 , i have a doctors appointment to see to .
i would be happy to . do you have a specific date and time for your departure ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '15:27'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'london liverpool street'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr4466 '} {'service': 'train', 'act': 'select', 'slot_name': 'none', 'value': 'none'}
the tr4466 arrives in london liverpool street at 15:27 , would that be acceptable ?