Charles: hey betty
Charles: i'm outside your place
Charles: can I come in?
Betty: i'm not home, sorry
Charles: i should have called before i dropped by
Betty: that would've been a good idea, lol, :-P
Charles: do u know what time you'll be here?
Betty: not sure
Betty: i'm pretty swamped up at the library
Charles: mmmm
Charles: what to do what to do
Betty: ¯\_(ツ)_/¯
Betty: u know what? stay there, i'll met u there
Charles: awesome thanks!
Charles wants to come in Betty's place but she's busy in the library now. Betty eventually decides to meet Charles where he is.