careful useful helpful
She was very  [MASK]  .It turned out that these nuts were her entire  breakfast  .The attendants were nowhere to be seen when the  time  came to
board the plane.The lady could walk but needed some assistance,so I  volunteered  to
help her and carry her bag.We had a long chat on the plane.As we were entering another country we needed to  fill out  some forms.I did it for her.