to arrange to have a seat, room, performer, etc. at a particular time in the future
I've booked us two tickets to see "Carmen"/I've booked two tickets for us to see "Carmen".
She'd booked a table for four at their favourite restaurant.
She decided to book a table at her favorite restaurant for her anniversary dinner next Friday.
I plan to book a flight to Paris for my summer vacation and explore the beautiful city.
He wants to book a meeting room for the conference scheduled for next week.
The travel agency can help you book a hotel room for your business trip to New York City.
