I bought the ticket through the cheapoair.com, and I realize I did not add my middle name.
Hence I talked with the Customer Service, and they saay there are no way to change the name on the issued ticket even I still have 7 days left. The only way is to cancel the current airplane ticket and, buy it one more time.
Finally they charge me the penalty $250 for the Cheapoair Policy, plus additional Charge for the 250 for cancellation fees from airline.
Therefore eventually I lost $500 to add only my middle name.
What the hell service is.
I never use the cheapaoair, and stop to use this website