Who should be helped?

M: There will be a meeting after class. Are you coming, Helen?
W: After class? I’m sorry, Mike. I’m afraid I can’t.
M: But it’s quite important. It’s about our helping Bob.
W: Oh, I have to go home to look after my mother. She’s ill today.
M: Sorry to hear that. Then we’ll have to have the meeting without you. I’ll tell you about the meeting tomorrow morning.
W: Thanks.