How to say “Stay with me in the waiting lounge until they announce our coach.” in Japanese

In Japanese

バスの乗車案内(じょうしゃあんない)があるまで、待合室(まちあいしつ)で一緒(いっしょ)に待(ま)ってて。

Basu no jōsha annai ga aru made, machiaishitsu de issho ni mattete.