Originally Posted by
motytrah
Let's say you had an important client coming to town. Is it possible to just add and pay for it or is this strictly something the booking travel agent needs to setup?
You need the passenger's flight confirmation number to book it. Also, depending on whether it's arrival or departure, you'll need additional information regarding car service info, etc. Easiest to book it through one of the concierge companies that deal with this regularly.