Could you substitute mushrooms for the ham on half the pizza?

How to say “Could you substitute mushrooms for the ham on half the pizza?” in Japanese

In Japanese

ピザの半分(はんぶん)だけ、ハムをキノコに変(か)えてもらえますか？

Piza no hanbun dake, hamu o kinoko ni kaete moraemasu ka?

Could you substitute mushrooms for the ham on half the pizza? in other languages