Hint: We are landing at Swarnabhoomi International Airport.
Answer: Thai Airways International Public Company Limited
Thai Airways International Public Company Limited (abbreviated here to "Thai") is the national air carrier of Thailand, operating out of Suvarnabhumi Airport, and is a founding member of the Star Alliance network. It has its head office in Chatuchak, Bangkok. Thai is a major shareholder which hold 39% shares of Nok Air - a low-cost Bangkok based carrier.
The airline also operates one of the longest non-stop commercial flights, including the 18 hours non-stop flight from Bangkok to Los Angeles.
Skytrax awarded Thai Airways International 'Worlds Best Cabin Staff and The Best Airline in the World' in 2006, while placing second in the 'Airline of the Year' category in 2007. Thai's first class lounge at Suvarnabhumi Airport was awarded World's Best First Class Lounge by Skytrax in 2009.