Remember I'm still new to this shitz so take what i say with a grain of salt.
I would...wait for a bit and if YOU do not want to speak to her then text her back and ask.."what's up". It may at least give you an opportunity to see what she wants to talk about.
Remember I am new to this so I would wait to see what CB says.
"The difficulties of Life are intended to make us BETTER,not bitter". "Fear is a prison, where you are the jailer. FREE YOURSELF!" "Life is usually all about how you handle Plan B." - Jack3Beans