I will be there at five, roger that?
roger that
idiomUsed to acknowledge receipt and understanding of a message
Origin
first recorded 20th c.Extension of roger for received in radio traffic (by 1950), the pronoun referring to the last information received; in use by 1969, popularised at first by radio transmissions from NASA's Apollo missions, later in military fiction.
The pilot confirmed the flight path change with a quick roger that to the control tower.
After the commander issued the final orders for the mission, the team responded with a synchronized roger that before moving into position.