Why would you let your enemy know where the President is ??
1.
reserve (accommodations, a place, etc.); buy (a ticket) in advance.
"I have booked a table at the Swan"
Similar:
reserve
make a reservation for
arrange in advance
prearrange
arrange for
order
charter
hire
bag
engage
bespeak
arrange
program
schedule
timetable
line up
secure
fix up
lay on
slate
2.
make an official record of the name and other personal details of (a criminal suspect or offender).
"the cop booked me and took me down to the station"
That is a Sec. of Def. Cabinet Post. Anyone over the age of 35 can run for President. Flynn won't be picked because Congress hates that Trump pardoned him.