How to say “Please add my name to the waiting list in case someone cancels.” in Japanese

In Japanese

キャンセルが出(で)たら入(はい)りたいので、キャンセル待(ま)ちリストに名前(なまえ)を入(い)れてもらえますか？

Kyanseru ga detara hairitai node, kyanseru machi risuto ni namae o irete moraemasu ka?