person A: I once left all cash and didn't have any to pay for a metro ride_comma_ some random girl paid for me without saying a word.
person B: Wow!  How kind is that!  Their really are kind people left in this world.  How did you respond?
person A: Yes_comma_ and I am thankful for those kind of people.
person B: *There* oops.  Did you ever find out her name?  Or find out a way to thank her?