Definitely Miss Page unless she explicitly invites him to use her first name. The age gap alone would suggest this. Watchers would on the whole err on the formal side, so he might struggle even after an invitation, which she might find amusing. We very, very rarely use Ms in speech, BTW.
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
no subject
Date: 2015-11-16 09:43 am (UTC)