Though it took a moment for the door to be opened, Luna didn't think much of it. Maybe she should have been the way to offer to make dinner. She wasn't horrible at it. A better baker than cook, but that didn't mean she was awful at it. In any case, she waited for the door to be opened and when it did, she put on a bright smile.
"Hello! Thank you for inviting me over for dinner. It's very sweet of you. Oh! I brought dessert. I hope you both like berry tart."