Create a set of triples that describes the content in the following sentence.

Ashgabat International Airport is operated by Turkmenistan Airlines whose hub is Turkmenbashi International airport and has headquarters in Turkmenistan.
Ashgabat International Airport OPERATING_ORGANISATION Turkmenistan Airlines
Turkmenistan Airlines HEADQUARTER Turkmenistan
Turkmenistan Airlines HUB_AIRPORT Turkmenbashi International Airport