Clippy: "Cessna 123, cleared for takeoff runway two-seven."
Cessna 123: "Cleared for takeoff runway two-seven, Cessna 123."
[seconds later]
Clippy: "Piper 456, cleared for landing runway niner. Where do you want to go today?"
Clippy: "Cessna 123, cleared for takeoff runway two-seven."
Cessna 123: "Cleared for takeoff runway two-seven, Cessna 123."
[seconds later]
Clippy: "Piper 456, cleared for landing runway niner. Where do you want to go today?"