Prime Minister Justin Trudeau shakes hands with U.S. President Donald Trump at the conclusion of their joint news conference at the White House in Washington, D.C., on Feb. 13, 2017.

Lighthizer also announced that John Melle, assistant USTR for the Western Hemisphere, will serve as chief negotiator for the United States to revamp the trilateral trade agreement with Canada and Mexico. The upcoming trade talks immediately follows the 90-day consultation period with U.S. Congress and the public initiated on May 18, when Lighthizer notified Congress of President Donald Trump's intent to renegotiate NAFTA to reach a better deal.