YOU SAID:

The bench was crowded with peope dancing the Macaren while flying

INTO JAPANESE

ベンチは飛行中にマカレンを踊る人々で賑わっていた

BACK INTO ENGLISH

The benches were crowded with people dancing the Macaren during the flight

INTO JAPANESE

飛行中、ベンチはマカレンを踊る人々で混雑していた

BACK INTO ENGLISH

During the flight, the benches were crowded with people dancing the macaren

INTO JAPANESE

飛行中、ベンチはマカレンを踊る人々で賑わっていました

BACK INTO ENGLISH

During the flight, the benches were crowded with people dancing the macaren