Clearly Matilda should've just done what the Wizard does: Smell like nothing at all. Simply take any possible smells and delete them. You can't smell if you don't smell.

Honestly, she'd be flattered if she knew Matilda had come here for food instinctively. Way to follow your gut, dog knight. The Wizard doesn't react to Matilda's intimidating arrival, though her blue drink does start automatically floating up off of the table so it doesn't spill.

"They gave me a coupon." She answers completely calmly, as if that's the most normal explanation in the world.