The uknown sms message:
Hi, Im Kelly. I saw u yesterday and I really liked u. Your friend gave me your number ;) Im the tall blond girl who was checking you out :) Dinner tonight?

I answered because i thought it was this girl in my class, with this message:
Thank you! Im busy this week/weekend so perhaps another time. Who gave you this number?

Then i followed my normal protocol of learning more about suspicious activites, and looked the message. I arrived here.