Very rude flight attendant staff. I checked in at the international flight counter with checked bag and (1) personal item. Which were reviewed and approved. When I am going to enter the plane, a flight attendant tells me that my suitcase does not meet the requirements of a personal item and that I should pay for it. She never measured or weighed my bag and only made me pay for my carry-on. I told him that the counter staff had approved the size of my personal bag but he didn't care.