If her higher ups somehow found out about it, she could always point out the books and movies in this world meant for muggle children let the cat out of the bag long before she did. Along with how was she supposed to know he was the wrong Dean right away.

"Huh. Sounds like a convenient way to get the real thing if you feel like having Mexican food for lunch and Chinese for supper. Assuming you can communicate with whoever you're trying to buy the food from." Hopefully, Jo isn't surprised by the focus on food. This is Dean, after all.