Cendant Near Deal to Buy Orbitz -Source  PHILADELPHIA (Reuters) - Travel and real estate heavyweight  Cendant Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=CD.N target=/stocks/quickinfo/fullquote"&gt;CD.N&lt;/A&gt; is nearing a deal to buy online travel  site Orbitz Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ORBZ.O target=/stocks/quickinfo/fullquote"&gt;ORBZ.O&lt;/A&gt;, which is controlled by the top five  U.S. airlines, for about \$1.2 billion in cash, a source close  to the talks said on Tuesday.