She's giving you what we rarely if ever get.

Space and respect.

Because you're an adult, you dint need to be convinced or talked I to anything. If you change your mind, you can find her after a while and pick up flirting. Maybe you just need a minute to consider. Maybe what she took to be flirting was you just being friendly and being a bit tipsy. Maybe she's concerned she came on too strong.

At any rate she's giving you respect and space instead of pressure.