Question: To whom was the shuttle service that operates in the Northeastern region sold to under its former name in 1989?

Context paragraphs:
Linn Shuttle: The Linn Shuttle bus system serves the Sweet Home and Linn County, Oregon area.  It operates a fixed route shuttle service around Sweet Home, serving Sweet Home, Albany, and Lebanon in Linn County.  The shuttle also connects to Albany Transit, Linn-Benton Loop, Corvallis Transit, Greyhound and Amtrak.

Rasa Komuter station: The Rasa Komuter station is a Malaysian commuter train station stationed at the northern side of and named after the town of Rasa, Hulu Selangor, Selangor.  The station was opened on April 21, 2007 alongside the Batang Kali and Serendah stations.  It was the third stop in the Rawang-Tanjung Malim shuttle service (formerly known as the Rawang-Kuala Kubu Bharu shuttle service) until the service was merged with the Port Klang Line in 2016.

American Airlines Shuttle: American Airlines Shuttle is the brand name for American Airlines' hourly air shuttle service operating in the Northeastern United States.  It serves Logan International Airport in Boston, LaGuardia Airport in New York City, and Ronald Reagan Washington National Airport in Washington, D.C.

Eastern Air Lines Shuttle: Eastern Air Lines Shuttle (or Eastern Air Shuttle) was the brand name of Eastern's air shuttle.  It began operations on April 30, 1961 and was sold in 1989 to Donald Trump, and later became the Trump Shuttle.  In April 1992, the shuttle service began as the USAir Shuttle (presently American Airlines Shuttle).  The shuttle originally flew between New York City, Boston, Washington, D.C. and Newark.  The shuttle's slogan was "Imagine life without us."

Rockaway Park Shuttle: The Rockaway Park Shuttle is a shuttle service of the New York City Subway operating in Queens.  It connects with the A train at Broad Channel station and is the latest iteration of the Rockaway Shuttle services that have been running in the Rockaway peninsula since 1956.  This shuttle train provides service to the western part of the peninsula, with a terminus at Rockaway Park–Beach 116th Street.  The fully aboveground route operates on trackage that was originally part of the Long Island Rail Road's Far Rockaway Branch until the mid-1950s.

CentralPlaza Khon Kaen: CentralPlaza Khon Kaen is a shopping mall in Khon Kaen, Thailand.  The mall opened on December 3, 2009.  It is the first shopping mall of Central Group in Isan of Thailand.  Thailand's second largest retail corporation in the northeastern region of Thailand, the largest department store in the northeastern region is The Mall Nakhon Ratchasima.  Later Central Pattana acquired Charoensri Complex in Udon Thani, and renamed it CentralPlaza Udon Thani.  The total cost of the shopping complex was 4 billion baht (€80 million).

US Airways Shuttle: US Airways Shuttle was the brand name for US Airways' hourly air shuttle service operating in the Northeastern United States.  It served Logan International Airport in Boston, LaGuardia Airport in New York City, and Ronald Reagan Washington National Airport in Washington, D.C.

Eurotunnel Shuttle: Eurotunnel Le Shuttle (sometimes shortened to Le Shuttle or The Shuttle) is a railway shuttle service between Coquelles (near Calais) in Nord-Pas-de-Calais, France and Cheriton (near Folkestone) in Kent, United Kingdom.  It conveys a manner of road vehicles (including bicycles by appointment) and passengers (including some animals) by rail through the Channel Tunnel.  Passenger and freight vehicles are carried in separate shuttle trains hauled by the same locomotives.

Chariot (company): Chariot is a commuter shuttle service owned by the privately held firm Chariot Transit Inc. that is currently in the process of being acquired by the Ford Motor Company.  The company's mobile-phone application allows passengers to ride a shuttle between home and work during commuting hours.  Chariot currently operates in several neighborhoods of San Francisco, and plans to expand rapidly to other cities in the United States.  New routes are determined based on demographic information and crowdsourced data.

Franklin Avenue Shuttle: The Franklin Avenue Shuttle is a New York City Subway shuttle service operating in Brooklyn.  The shuttle service uses the BMT Franklin Avenue Line exclusively.  The north terminus is Franklin Avenue, with a transfer available to the IND Fulton Street Line.  The south terminus is Prospect Park, with a transfer available to the BMT Brighton Line.  NYCT Rapid Transit operations refer to it internally as the S or FS.  Like the other two shuttles, 42nd Street in Manhattan and Rockaway Park in Queens, its route bullet is colored dark gray on route signs, station signs, rolling stock, and the official subway map.

Supporting paragraphs: Eastern Air Lines Shuttle American Airlines Shuttle
Answer: Donald Trump