More than enough. Corporate flights are almost always handled that way, alone for compliance reasons (the travel agency knows about budget and "appearance" limi

More than enough. Corporate flights are almost always handled that way, alone for compliance reasons (the travel agency knows about budget and "appearance" limits aka only c-level gets business class, everyone else gets economy). Anecdata: last year my wife and I went on a rail tour through Eastern Europe and god, I wish we had chosen to spend a few hundred euros on a travel agency in retrospect - I can't count just how much time we had to spend researching on what kind of rail, bus and public transit tickets you need on which leg, how to create accounts, set up payment and godknowswhat else. Easily took us two days worth of work and about two dozens individual payment transactions. A professional travel agency can do all the booking via Sabre, Amadeus or whatever...