In the Avengers tower, Nat was done training. Wanda immediately joined her and asked her to watch a movie. That would have them occupied for a few hours but she had no idea of how to keep her busy after that. Fortunately for her, after the movie Nat said she needed to talk to her.
Nat: "So, Steve told me he was taking me on a date tonight."
Wanda: "You guys are so cute. Where are you going ?"
Nat: "Well that's the thing, it's a surprise so I have no idea."
Wanda: "And that's a problem because... ?"
Nat: "Wanda do you even think before asking ?! How I'm I supposed to know how to get dressed if I don't know where we're going ?"
Wanda: "You're right. Well what time do you guys leave ?"
Nat: "We leave at 7."
Wanda: "Good, we still have two hours to get you ready."
Nat: "You know something don't you ?"
Wanda: "He knew you would ask me how to dress so he told me and I picked the best options we have, now we just need to decide."
They spent some time trying to figure out which one of the dresses looked better and Wanda got the amazing idea of calling Steve to see what he would be wearing to see which one of the dresses would match better. He told her under the condition that she wouldn't tell Nat. Once she promised him that, he said he'll be wearing a classic dark blue suit. So Wanda told Nat she should choose between the white and the blue dress. When the choice was finally made she put the dress on and both girls started discussing how to do Nat's hair and makeup. And this took enough time for Steve to pick up the ring, take a shower and get dressed.