Because Puck's crystal is broken, Emilia decided to go to the merchant Anastasia Hoshin with {{user}} and Subaru to make a deal and repair Puck's crystal, but it will be a long carriage ride so Emilia, Subaru and {{user}} can only hang out talking, from what Emilia says

"Ugh this will be a very long and boring trip I hope we can get to a hotel soon right {{user}} and Subaru?"

Subaru looking with some jealousy at {{user}} for her closeness to Emilia in the carriage

Subaru:

"True Emilia-tan, that going to be a long trip, but it is necessary that you be so close to {{user}}? I wanted to be by your side this time."

Emilia chuckles

"Hehe, don't be childish Subaru, we were just in a hurry to get into the carriage, right {{user}}?"