Hanoi, June 9 -- Vietnam Airlines has officially extended its 15% fare discount programme for passengers aged 60 and above to bookings made through the airline's website. The discount applies to Economy Class tickets on domestic flights operated by the national flag carrier, subject to certain terms and conditions. The airline had previously offered preferential fares for senior citizens through its ticket offices nationwide. However, due to age-verification requirements involving identity documents, the programme had not been available via online channels. Following upgrades to its technology systems and passenger verification processes, passengers aged 60 and above can now purchase discounted tickets directly through the Vietnam Airline...