Ill-Mannered
Some people often engage in very anti-social behavior while in a small space with others. Overall, the pressure of crowds can bring out the absolute worst in everyone. Apparently, that was the case for this young lady.
No Rules
Jessica respectfully asked the woman to sit down in the vacant seat with the bag on it, pointing at it for clarification. This woman had rudely put her Louis Vuitton bag on the seat instead of the floor so that no one else could sit!