Complex sentence: Trans Executive Airlines of Hawaii is an American airline headquartered at Honolulu International Airport in Honolulu, Hawaii, operating cargo flights under the name Transair; and passenger charter and tour flights under the name Interisland Airways.
Split into simpler sentences: Trans Executive Airlines of Hawaii is an American airline headquartered at Honolulu International Airport in Honolulu, Hawaii. The company operates cargo flights under the name Transair; and passenger charter and tour flights under the name Interisland Airways.