Is this a rejection? I'm not sure?

Last Thursday I messaged a girl I like and told her I had tickets to a show the next day - Friday and asked her if she wanted to come.

She replied saying merry Christmas and happy new year, and that she wished i had told her sooner because she was leaving town Friday morning with her family for an out of town new years celebration, but that it sounded like a lot of fun

I watched her snapchat and it looks like she really did go out of town

she didn't suggest doing something another time or do anything to imply I should ask her out again though

Can't figure out if I should invite her out again or not
Is this a rejection? I'm not sure?
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