Ah yes, I should have said 'I see a potential market for faster premium air travel on both the LAX-JFK legs and the JFK-LHR legs within the range of the Boom pl

Ah yes, I should have said 'I see a potential market for faster premium air travel on both the LAX-JFK legs and the JFK-LHR legs within the range of the Boom plane' - you are of course correct that they would not be able to fly LAX-JFK supersonic.