[speaker001:] Want to meet for lunch this Saturday?
[speaker002:] Sorry, I can 't. I 'm busy.
[speaker001:] What are you doing?
[speaker002:] I always do volunteer work on the first Saturday of every month.
[speaker001:] What kind of volunteer work?
[speaker002:] I help out at the children 's hospital. I help plan activities.
[speaker001:] Oh, yeah?
[speaker002:] Yeah. It 's exciting. This month we 're doing crossword puzzles.