Guy(who wants to ask a favour): "Hi!"

Me-> [sigh... here we go again... lets ignore this for a bit]
5 mins later....
[I guess i can wait a bit more]

another 15 minutes later.... [sigh, alright, lets talk to this dude]

Me: hi..
Guy: hello, do you know how this works and why this is failing.
also, could you help me with debugging this issue....
btw, are you aware of the HR policy regarding that?

Me: were you just waiting for me to say hi back to you? -__-