A short-term reservation that displays travel information without a ticket being paid for is called a dummy ticket. While some airlines could charge a little cost, others might let you keep your reservation for free. If a "dummy ticket" is validated by their system, we can confirm its authenticity. For about INR 800/$10, we offer a real dummy ticket with a live PNR in less than 10 min... https://dummyhotelbooking.com/