i need to book a train for 9:30 that departs from cambridge . i would like to go to london liverpool street on wednesday .
there are lots of trains that fit those criteria . where would you like to go ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '9:27'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '7:59'}
there is a train that leaves at 7:59 and arrives at 9:27 . would like that 1 ?