if she's not kidding , i think you should go with her or maybe she's thinking you want her to take her some where. it maybe also like this that you both are misunderstanding each other. well!!!! she has already asked you than it can be also like this ''that she wants you to take her somewhere where you both can spend time together.'' i think my solution can help ya!!.
u better go out with her! spend some time. have fun