hi , i am looking for a train that departs from cambridge and arrives at kings lynn . i'll be traveling on friday . i want to arrive by 19:15 if possible .
when will you be traveling ?
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr3947'} {'service': 'train', 'act': 'offerbook', 'slot_name': 'none', 'value': 'none'}
i suggest tr3947 . can we book ?