i need a train to stansted airport that leaves on sunday . i need to arrive by 14:30 .
did you have a time you would like to arrive or leave ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '14:08'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr1668'}
tr1668 will arrive at 14:08 , would that work for you ?