A reservation for a flight, which can be made for one or both seats and/or rates, is also referred to as a "dummy ticket". The two primary types of airlines are normal airlines and low-cost carriers (LCCs). Low-cost carriers (LCCs) do not allow the creation of dummy tickets, while some airlines do. Lufthansa, Air copyright, British Airways, Air France, Air India, copyright, Emirates, ... https://www.airdummyticket.com/