Turkish Airlines, sometimes referred to simply as Turkish Airlines Booking, is the ensign carrier airline of Turkey and is headquartered at Ataturk Airport in Istanbul. It recently moved their based airport to Istanbul Airport (IST) as Istanbul Ataturk Airport ceased operation. The airline operates services to over 310 destinations across the planet , making it the fourth-largest carrier within the world. It handled 75.1 million passengers in 2018. https://reservationsnumber.org/turkish-airlines-booking/