When she says "hey, I'm busy with work lately can't really hang out"?

FYI I'm not asking for you to tell me she's not interested and no she didn't give me an alternate day to make it up. Just want to know what to say to her On a response back on the text. Don't wanna come off needy just wanna be cool with it. Pretty much what should I say or should I not say anything back. Obviously I like the girl. Kinda pissed she got busy with work, *Again* but I have to respect that she's working hard at her new job as a journalist.
When she says "hey, I'm busy with work lately can't really hang out"?
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