Complex sentence: Azerbaijan Airlines (AZAL, Azeri: Azərbaycan Hava Yolları) is the national flag carrier of Azerbaijan with a main base in the Heydar Aliyev International Airport, Baku, operating a network of scheduled passenger and cargo services.
Split into simpler sentences: Azerbaijan Airlines (AZAL, Azeri: Azərbaycan Hava Yolları) is the flag carrier of Azerbaijan. Its main base is Heydar Aliyev International Airport in Baku, from which it operates a network of scheduled passenger and cargo services.