Maya and Cassie S. (& Riley of course!)
"Oh, it's absolutely fine! Please! I have plenty and I'm totally cool with sharing." That was just how Cassie was, though she would have understood Maya's hesitation and apprehension "And make sure your friend gets one, too."
Checking a few things in the snack bag, Cassie turned her attention back to Maya. "I'm going to get a few more things and maybe some more hot chocolate. You're welcome here with your friend. If not, I'm sure I'll see you around, right?"