I can also confirm that to be true, I remember see him running past while i was having my morning tea... (formal, explaining)

Ah, Mr. Sullivan! i was just looking for you. mind if you join me for a bit? i have something that may be of intrest to you. (formal, polite, excited)

Please sir, there is no need for this level of aggression! I can assure you we’re in the same situation you are in. (polite, somewhat paniced)