Caravans(1978)

This epic adventure-drama based on James Michener's best-selling novel concerns a young American embassy official who is sent into the Middle-Eastern desert to find the missing daughter of a US Senator. The young woman has left her husband, a Colonel in the Shadom - she was his number two wife - and has opted for the lifestyle of a nomadic tribe. When the diplomat locates the girl he joins the caravan and attempts to persuade the girl to return.