We fly to Cát Bi, Hải Phòng from Tân Sơn Nhất Aiport. We booked business class seats with Vietnam Airlines. We thought that we would fly on A321, but we fly on 787 instead. We have received email that this route no longer serving meal during flight, thus we stuffed our stomach full at Lotus Business Lounge prior to boarding. Half of the passenger wear mask, some does not. During flight, cabin crew delivered each business class passenger an Aquafina water bottle