I think you rushed here a bit with the not looking for a pen pal message, she didn't say she doesn't want to meet up with you. You could've said "not a deal breaker. Shoot me your number for romance arrangement purposes and we'll work something out" - something along those lines would have worked and I think she would have given the number to you. Then, I think you started a bit over investing after that.

I think your next message after "I'll spank the princess out of you" should be ”If you’re into that sort of thing”