Normally I wouldn’t recommend arguing with a flight attendant but just yesterday I was on a flight from PMC - PUQ (Chile on Latam) where I and another passenger

Normally I wouldn’t recommend arguing with a flight attendant but just yesterday I was on a flight from PMC - PUQ (Chile on Latam) where I and another passenger had a boarding pass with seat 16-J. Because the other person boarded first the flight attendant basically told me “too bad”. I was standing in the aisle holding up traffic with nowhere to go. I had to get pretty blunt with her to find me another seat or I would continue standing in the aisle holding up the boarding process. What do you know, after I became serious they found me another seat.