HOW COULD I KNOW?

yesterday PM, house phone rang
a chinese speaking lady was on the other line
and i was trying to be funny...really..ok ok and a bit pissed off too.......

"hello. where is this place?"
*rolled eyes*
"u called and u asked me this is what place. dun u think u should know better?"
"erm, someone gave me this number so i called"
*really wtf*
"then u go ask tt someone who gave u this number la"
"oh, the person said this is a coffee shop"
*wth*
"this is my house"
"huh??!!!??? how can it be. the person said this is a coffeshop"
*angry le. blood fuming. damn TL*
"WELL! HOW COULD I KNOW? WHY DUN U GO ASK THE PERSON WHO GAVE U THIS NUMBER. I DID NOT GIVE U THE NUMBER OK"
"er, u mean this is your house and not coffeeshop"
*sigh*
"yes. bye bye"

hang up!!

what would u have done???