Two Mr. Handys Talking Back and Forth in an Endless Loop

 is a random encounter

About
Ms. Nanny Mia and Mr. Handy Vlad are encountered by the player, asking each other random questions and answering with random responses.

Behind the scenes
Mia and Vlad's random encounter is a reference to a January 2017 video stream of two Google Home devices (also named Mia and Vlad) stuck in a loop asking each other questions.