hi , i am looking to book a ticket for a train departing on sunday from cambridge please ? i want to arrive at london kings cross . i do not have a departure time but i want to arrive by 21:30 .
what is your destination ? what time would you like to leave by ? it is a 51 minute trip for 18.88 pounds .
{'service': 'train', 'act': 'inform', 'slot_name': 'dest', 'value': 'london kings cross'} {'service': 'train', 'act': 'inform', 'slot_name': 'arrive', 'value': '19:51'} {'service': 'train', 'act': 'inform', 'slot_name': 'leave', 'value': '19:00'} {'service': 'train', 'act': 'inform', 'slot_name': 'day', 'value': 'sunday'} {'service': 'train', 'act': 'inform', 'slot_name': 'depart', 'value': 'cambridge'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
there is a train leaving cambridge on sunday at 19:00 . it arrives at london kings cross at 19:51 . may i book that for you ?