へい

yes, sure

interjection Rare #36,790
yes, sure A colloquial, somewhat rough-sounding variant of はい, often used to acknowledge a request or call.
JA: へい、ただいま。
EN: Yes, right away.

へいお待ち

Here you go!

— The Wind Rises (2013)

へい、ただいま。

Hey, I'm back.

へい

Hey.

— 千と千尋の神隠し (2001)

へい、いらっしゃい、いらっしゃい。

Hey, come on in! Welcome, welcome!

へい。

Yeah.