if you don't know what this means, its because its a fancy way of describing a travel agent.
Basically, if you aren't the brightest bulb in the box, you might need to hire one of these experienced professionals.
Otherwise theres always a computer.
Person A: " The easy-jet website confuses me"
Person B: " maybe you should hire a corporate travel consultant"
Person A: " Whats that...? Ohh, you mean a travel Agent?"
Person B: " Yes that's right, i can recommend you one in fact, Ealing common has the best deals and the cheapest service"
Person A: " isn't it just a bit excessive paying someone to do this for you?"
Person B: "Not really, its only like asking someone to wipe your arse and then paying them for it"