This will bring the total seats on flights operated by the Vietnam Airlines Group during the traditional holiday to 2.4 million seats, equivalent to nearly 12,000 flights. The group said many flights have been 50-90 percent booked. Passengers are advised to book tickets via the group’s official channels such as websites or ticket agents, and request an invoice to avoid buying fake or overpriced tickets. In order to save time, passengers should carry out check-in process in advance through telephone, website, mobile application or kiosks at airports./.