Desk clerk: Excuse me, may I help you?
接待员：请问，需要帮您忙吗？

Traveler: Would you please fill some oil for me?
游客：能帮我加些油吗？

Desk clerk: Sure. Which kind of oil do you want?
接待员：当然，加哪种油呢？

Traveler: Unleaded, please.
游客：无铅汽油。

Desk clerk: OK.
接待员：好的。

Notes:
unleaded adj.除铅的，无铅的