Be friendly.

Hi Craig! Haven't seen you in ages :) I've been great! How are you?? You decide to respond in a friendly tone.

A few moments later Craig responds. Very well thanks. I've just moved to the city- noticed you live here too? Small world! We should catch up some time :)

You frown at that. This creep talking to Aimee like he's her best friend.

Regardless, you begin typing your response.