Airlines call them several different things, your PNR or Passenger Name Record, Record Locator and Confirmation or Reservation Number. When you check in with the airline at the ticket counter you will be asked to provide your ID and your flight number or confirmation number...that is what is on the piece of paper.t's passenger name record (PNR) in airline industries, a passenger name record (PNR) is a record in the database of a computer reservation system (CRS).