How to Properly Use "Bcc"

Bad Use-
To: Peyton Moss
Bcc: Sabrina
Please attend the conference tomorrow (Thursday) at 2 p.m.
Good Use-
To: Peyton Moss
Peyton, please attend the conference tomorrow (Thursday) at 2 p.m.
To: Sabrina
Please reserve the conference room for Peyton and me tomorrow (Thursday) at 2 p.m.
Tip-Send two messages because naming someone in a "bcc" may not explain why the person is being copied.

As outlined in the textbook: Business Communication, Sixth Edition. Figure 7.4 on page. 215