It's nice to volunteer to help others.
A worker at a local homeless shelter asks Jim to volunteer to serve food to the homeless people.
Jim wants to give the homeless shelter worker an answer.
Jim responds to the homeless shelter worker that he'd be glad to help out.
Jim says he's too busy to help out at the homeless shelter.
The homeless people at the shelter are served food that day which they are happy about.
There aren't enough volunteers to serve food at the shelter and the homeless people go hungry that day.