This icon is a part of a collection of Zakup biletów flat icons produced by Icons8. Icons follow the guidelines of iOS, Windows, and Android and are designed by a single designer, guaranteeing the consistent quality. Both PNG and vector are available.
It's a logo of a person standing behind a desk handing a ticket to a person standing in front of the desk. The person behind the desk is a worker and the person in front of the desk receiving the ticket is a traveler.