From VIETNAM to LATIN AMERICA(Fare rule)

Full Flex Booking Class F

Reservation Changes	Permitted If no-show, changes are not permitted Variance in fare, taxes and other charges may be collected if the change results in a difference When fares with different change penalties or no penalty are combined, the most restrictive penalty applies Applicable fares Higher ANA Normal fares Same booking class or higher fares
Refunds	Before Departure Refund permitted without cancellation fee After departure Refund permitted without cancellation fee Refund due will be the difference between the fare paid, and the applicable Published Carrier Fare for travel flown. There may be no refund value When fares with different penalties or no penalty are combined, the most restrictive condition applies