Is this gas pump free, or are you waiting for it?

How to say “Is this gas pump free, or are you waiting for it?” in Japanese

In Japanese

すみません、この給油機(きゅうゆき)、空(あ)いてますか？それとも、お待(ま)ちですか？

Sumimasen, kono kyūyuki, aitemasu ka? Soretomo, omachi desu ka?

Is this gas pump free, or are you waiting for it? in other languages