Warning of cheating when buying tickets for Tet holiday

During Tet holidays, the price of airfare has increased (all 03 airlines) and most customers choose Vietnam Airlines (VNA) because the price is equivalent to 20kg checked baggage.
 
Due to the flexible ticket policy of Vietnam Airlines, the refund is possible (Tet fees are always two times higher than normal days, except promotional tickets, super promotions ...), two airlines Vietjet and Jetstar No refund, only rename, journey and charge.
 
Some of those who exploit this flexible policy have been deceived in the form of selling at less than the advertised price. The trick is to buy a Business or Economy ticket with your date, time and name, make the payment as normal and send the ticket to you and ask you to check the ticket with the total Vietnam Airlines. When you call up the check information is completely accurate with your name, journey, hours, phone ... your own. This gives you complete peace of mind with your Tet ticket.
 
But just a few days later, the scammer sent a request to Vietnam Airlines to refund the ticket and get the money back (due to your information by the scammers full hold), now your ticket to become worthless and .... ☹
 
With Vietjet and Jetstar this phenomenon can also occur when the object after selling tickets for you and use the name change, journey and accept the minimum charge of 330,000 VND or more and at the same time continue to sell for many. other people in this form (the scammers accept the charge for renaming, change the itinerary ....)