https://help.annke.com/hc/en-us/community/posts/38257066450457--%F0%9D%9F%8F-855-838-47%F0%9D%9F%8E1-How-do-I-Select-Seat-on-%F0%9D%93%9B%F0%9D%93%BE%F0%9D%93%AF%F0%9D%93%BD%F0%9D%93%B1%F0%9D%93%AA%F0%9D%93%B7%F0%9D%93%BC%F0%9D%93%AA-Flight-%F0%9D%93%9B%F0%9D%93%BE%F0%9D%93%AF%F0%9D%93%BD%F0%9D%93%B1%F0%9D%93%AA%F0%9D%93%B7%F0%9D%93%BC%F0%9D%93%AA-seat-selection-UPGRADE