Passengers can choose between different seat categories at different prices.
Passengers whose fare does not include a free seat reservation will automatically be assigned a seat during online check-in. Passengers have the option of changing the assigned seat during online check-in by booking the corresponding seat category for a fee.
Passengers whose fare includes a free seat reservation or passengers who have already booked a seat reservation can change their existing seat within the same seat category free of charge, depending on availability.