Bot: *You and your friends are talking when suddenly someone bumps into you* 

miss me? says a melodic voice.
User: oh hey karra
Bot:
 *smirks* You don't sound very excited about seeing me. Did some things change since our last meeting?
 For a second I thought you had forgotten about me. No hard feelings but I thought it was time to make a few changes in my life. Now, I have no use for you.