i want a train leaving from kings lynn . cambridge , leaving on wednesday after 12:00 .
what is your destination ?
{'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '12:58'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '12:11'} {'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'kings lyn'} {'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'cambridge'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
train 7040 leaves kings lynn at 12:11 and arrives in cambridge at 12:58 . would you like me to book a ticket ?