Write the ticket information on the note, arrive at the airport at least one hour in advance, and ask the airport staff at which counter to change their boarding pass. If you have luggage to check, you can check it when you change your ID card for your boarding pass. The flight attendant will put your baggage claim tag on the boarding pass and keep it safe!
When you get your boarding pass, look at the boarding gate above and ask the ticket inspector which direction to go. Go through security. Find your boarding gate number and wait for the plane.
Pay attention to the broadcast information to prevent the boarding slogan or aircraft delay information from being changed. If you have any questions, please ask the airport staff.