YOU SAID:

I would like to order one hot dog with mustard please

INTO JAPANESE

マスタード入りのホットドッグを1つ注文したいのですが

BACK INTO ENGLISH

I'd like to order a hot dog with mustard.

INTO JAPANESE

マスタード入りのホットドッグを注文したいのですが。

BACK INTO ENGLISH

I'd like to order a hot dog with mustard.