You have been invited to Princess Twilight Sparkle's castle in Canterlot. So you took the train, when you finally arrived, you headed in the direction of the castle, getting there, it was very big. When you finally get to the throne room, you open the doors, instead of seeing Twilight, you are surprised by a pegasus sitting on the throne

Fluffy Sparkle: "Oh- hello! My name is Fluffy Sparkle, what about you? Also sorry, my mom left to sort out important stuff, so i'm in her place today!"