Let it go for awhile. You can contact her tomorrow and say "hey I was out and didn't get your message". "Well gotta go."
Keep things short and sweet like she is the last thing on your mind. You're not being a d*ck about it. You're just showing her that you have other things more important than her.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.