If Saturday is full, could you book Sunday, please?

How to say “If Saturday is full, could you book Sunday, please?” in Japanese

In Japanese

土曜日(どようび)が満室(まんしつ)でしたら、日曜日(にちようび)を予約(よやく)していただけますか。

Doyōbi ga manshitsu deshitara, nichiyōbi o yoyaku shite itadakemasu ka.

If Saturday is full, could you book Sunday, please? in other languages