[ .. Madoka is probably part of said dear friends, right.

But then again, she'd hate to assume! Maybe it's just some friends Mami happened to make on the train and aaaaah!!

Maybe it's for the best to just respond to this neutrally instead! Yes! That's a better idea, clearly. ]

I.. I can help out, Mami-san. If you haven't had enough people offer already.. It sounds like you're quite popular! [ Or maybe the pizza just is, Madoka. ]