some kine of cheating????

my sist who is currently studying at an IPTA in Perak just went back to her campus last week. She bought the ticket online via Maybank2U direct debit. I've been using the same method since i was studying in JB and just recently bought tickets for my other sist WITHOUT extra charge for using Maybank2u direct debit service. But my sist just spotted this in the booking information in my air asia account. and this one is the travel itenerary they sent to my email:

any explanation??