uh-huh

uh-huh or um-hum  {adv.},  {informal}

Yes. — Used only in speech or when recording dialogue.

Are you going to the Fair? Uh-huh.

We were in Alaska, um-hum, but that was long before the earthquakes.

When I asked for an appointment, the nurse said, "Um-hum, I have an opening at four o'clock on Friday."

Contrast: HUH-UH.