Sands of the Desert.

In this British comedy set in Saudi Arabia, a gentle British travel-agency clerk decides that it would be a smashing idea to open up a desert resort in Arabia. He heads to the desert and immediately finds himself on the bad side of a local sheik as the fellow tries to build his resort atop oil-rich land. A war erupts between rival desert bands as they vie for the rights to the oil, but it is the travel agent who wins out in the end