find me a train to kings lynn that arrives by 20:15 . is it on saturday ? yes , i definitely would . can i please have the confirmation number as well ?
the tr3112 arrives at 05:58 . will that work ? i would suggest tr7604 , it departs at 19:11 on saturday and arrives by 19:58 . would you like a ticket ?
{'service': 'train', 'act': 'request', 'slot_name': 'people', 'value': '?'}
how many people will be traveling ?