booker

The word "booker" refers to someone whose job is to make arrangements and secure commitments—essentially, they book things for others. While historically associated with entertainment (like booking musicians or performers), the term has broadened in modern usage.

A talent booker, for example, works within the music industry, scouting artists, negotiating contracts, and scheduling performances at venues. They're responsible for filling a concert hall or festival lineup. A travel booker specializes in making travel arrangements—flights, hotels, tours—often working with individuals or businesses to manage their travel needs.

However, you can also use "booker" more generally. If your friend is always the one who makes restaurant reservations for the group, you might jokingly refer to them as "the booker." Or if a company employee consistently handles scheduling meetings and conference rooms, they could be called the internal booker.

The key element of being a booker is taking initiative and responsibility for securing resources or commitments on behalf of someone else. They're organizers, negotiators, and problem-solvers all rolled into one.

So, whether it's booking a band, a flight, or a dinner reservation, the "booker" is the person who makes it happen—turning plans into reality through careful arrangement and skillful negotiation.