i would like to take a train from cambridge on sunday . can you please show me the times ? i am going to london kings cross , and would like to arrive by 15:15 .
what is your destination ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '13:51'} {'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr7447'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
tr7447 will get you there by 13:51 . do you need some seats booked ?