Question:  Flight 102 was a cargo flight operated by an airline based in which city ?

Context paragraphs:
Alaska Airlines Flight 779: Alaska Airlines Flight 779 was a contract cargo flight operated on 21 July, 1961 by an Alaska Airlines Douglas DC-6A

National Airlines (N8): National Air Cargo, also operating as National Airlines, is an American airline based in Orlando, Florida.  It operates on-demand cargo and passenger charter services.  It added scheduled passenger service on December 16, 2015, from its hub at Orlando-Sanford International Airport, Orlando.

Carson Air Flight 66: Carson Air Flight 66, under callsign Eclipse Flight 66, was a Swearingen SA226-TC Metro II, registration C-GSKC, on a domestic cargo flight operated by Carson Air from Vancouver to Prince George, both in British Columbia, Canada.  On 13 April 2015, the aircraft crashed into a mountain en route to Prince George Airport, killing both crew members operating the flight.

Centurion Air Cargo Flight 164: Centurion Air Cargo Flight 164 was a chartered international cargo flight, flying from Bogota's El Dorado International Airport while en route to Miami International Airport.  The flight was operated by Kalitta Air and the aircraft was wet leased by Centurion Cargo.  On 7 July 2008, the aircraft, a Boeing 747-209BSF registered as N714CK, crashed shortly after take off.  All aboard suffered injuries, but none killed.  However, two people on the ground were killed after the plane slammed into a farm.  The crash was the second crash of a Boeing 747 in 2008 in Kalitta Air service, after a previous accident at Brussels in May.

Asiana Airlines Flight 991: Asiana Airlines Cargo Flight 991 (OZ991, AAR991) was a cargo flight which crashed into the Korea Strait on 28 July 2011.  The two crew members aboard died.  The aircraft involved, a Boeing 747-400F freighter, was operating Asiana Airlines' scheduled international cargo service from Incheon International Airport, South Korea to Shanghai Pudong International Airport, China.  The crash occurred off the coast of Jeju Island after the crew reported a fire in the cargo compartment and had been attempting to divert to Jeju International Airport.

Turkish Airlines Flight 6491: Turkish Airlines Flight 6491 (TK6491/THY6491) was a scheduled international cargo flight operated by ACT Airlines, on behalf of Turkish Cargo, from Hong Kong to Istanbul via Bishkek, Kyrgyzstan.  On 16 January 2017, the Boeing 747-400F flying this route crashed during landing at its scheduled stopover at Manas International Airport in Bishkek.  A total of 39 people, including all four crew members on board and 35 people in a residential district located near the airport, were killed in the crash.  The accident is currently under investigation.

National Airlines Flight 102: National Airlines Flight 102 was a cargo flight operated by National Airlines between the British military base Camp Bastion in Afghanistan and Al Maktoum Airport in Dubai, with a refueling stop at Bagram Airfield, Afghanistan.  On 29 April 2013, the Boeing 747-400 operating the flight crashed moments after taking off from Bagram, killing all seven people on board.

Aerosucre Flight 4544: Aerosucre Flight 4544 (6N4544/KRE4544) was a domestic cargo flight operated by Colombian cargo airliner Aerosucre using a Boeing 727-200 (registration HK-4544) on 20 December 2016.  The aircraft had trouble taking off and touched the fence at the end of the runway.  After becoming airborne from Germán Olano Airport Puerto Carreño, Colombia it remained at very low altitude and crashed shortly afterwards.  The flight was planned to go en route to El Dorado International Airport, in Bogotá, Colombia.  It was reported that four members of the six-person crew died on the scene while two were rescued alive; one subsequently died of their injuries.

UPS Airlines Flight 6: UPS Airlines Flight 6 was a cargo flight operated by UPS Airlines.  On September 3, 2010, a Boeing 747-400F flying the route between Dubai International Airport and Cologne Bonn Airport developed an in-flight fire, with the fumes and subsequent crash resulting in the death of the two crew members.  The aircraft had departed Dubai International earlier, but returned after reporting smoke in the cockpit.  It was the first fatal air crash for UPS Airlines.  The crash caused an examination of safety procedures protecting airliners from cockpit smoke.

Korean Air Cargo Flight 6316: Korean Air Cargo Flight 6316 (also known as KAL6316 and KE6316) was a scheduled Korean Air Cargo flight from Shanghai to Seoul.  On April 15, 1999, the McDonnell Douglas MD-11F operating the route, registered as HL7373, crashed in Xinzhuang, Shanghai shortly after taking off from Hongqiao Airport, killing all 3 crew on board, along with 5 on the ground.  It was the second MD-11 crash in just over six months, and as of 2014 remains the second-deadliest MD-11 crash behind Swissair Flight 111.

Supporting paragraphs: National Airlines Flight 102 National Airlines (N8)
Answer: Orlando