How can i change my flight ticket date at Vietnam Airlines?

Sometimes just making a flight reservation isn't enough to guarantee that you'll be able to travel. Assume you've decided to go on a trip with a large group of people. There may be times when someone must cancel the plan due to work or because they have become entangled in a situation that requires them to change their plans.
Some obvious questions you may have now that you know you can change the flight's booking are: Vietnam Airlines Flight Date Change Policy, How can i change my flight ticket date at Vietnam Airlines?

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