In 4 passengers 1 travels for free

•The offer applies for 4 passengers traveling in the same four-berth cabin in Domestic Routes.
​•One person travels for free in a four-berth cabin on Domestic Routes.
• Requirement: 2 out of 4 tickets should be full fare (fare without discount).
• The free ticket is given instead of the ticket with the biggest discount.
• No partial cancellation of tickets is allowed