The order and booking numbers can be found in your confirmation email and travel document.
Your order number is available in the confirmation email title and email body (see red rectangle).
In the case you are not the actual traveler, you will get a separate confirmation email, in which your order number is mentioned as provider reference.
Booking number/ reference – your booking number/ reference is found in your confirmation email next to the order number as well as in the body of the email.
In the case of a return flight you will find a booking reference for each flight.