"I can't, I'm busy all night talking with my girlfriend."

clas·sic (klăs'ĭk)
n.
classics The languages and literature of ancient Greece and Rome. Used with the.

con·fer·ence (knfr-ns, -frns)
n.
An assembly of clerical or of clerical and lay members from a particular district in various Protestant churches.

I'll be there.