how much does it cost to take the bus in cambridge ? i will be traveling to london .
where will you be traveling to ?
{'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'cambridge'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'london kings cross'} {'service': 'train', 'act': 'inform', 'slot_name': 'ticket', 'value': '18.88 pounds to 23.60 pounds'}
the rate for a trip from cambridge to london kings cross range -s from 18.88 pounds to 23.60 pounds depending on the day of travel .