Aguero opened the scoring for the 3-0 win.
"For me and for the team it is always a special trophy. We are happy and I am very happy," said Sergio.
"It's important for us as a team and for Pep and the club to win the Carabao Cup but now we want to keep going.
"We were better than them and we can celebrate. But now we have to focus on the next game away at Arsenal on Thursday and to think about the Premier League."
Talking about the goal, Kun added: “For me there was no foul, a bit of a touch. I am happy because it was a goal."