"Is there something you want me to do?" is a slightly less hostile way of saying "Get to the point."
"The petitioner did not make a request upon which relief can be granted." might set off a snark detector, and "The ticketing system already automatically notifies the requester that their ticket has been closed." might inadvertently imply that the supervisor does not know how to do their job.
"That is a true statement." is one that is frequently used around here. It sounds very engineer-y, and has no inflectional or emotional connotations whatsoever. It's about as sterile as a SYN-ACK packet. I heard what you just said, and evaluated it for correctness. Current computation completed, and ready for additional input.
"The petitioner did not make a request upon which relief can be granted." might set off a snark detector, and "The ticketing system already automatically notifies the requester that their ticket has been closed." might inadvertently imply that the supervisor does not know how to do their job.