Scenario: at the mall, approach a girl. Goes well and she gives me her number without me asking. So I tell her to get tea with me and we do. The problem is that I already said I have to meet some friends so tea will be all we do today.

If I want it to go further, do I "flake" on my friends, do I "get a text saying they're flaking"?

I can't see either one of those being great but I dug myself into a hole.