YOU SAID:

Sorry for our careless mistake but we were looking for the seats that do not require reservation

INTO JAPANESE

不注意なミスで申し訳ありませんが、予約不要の座席を探していました

BACK INTO ENGLISH

Sorry for the careless mistake, but I was looking for a seat without reservation

INTO JAPANESE

不注意なミスで申し訳ありませんが、予約なしで座席を探していました

BACK INTO ENGLISH

Sorry for the careless mistake, but I was looking for a seat without a reservation

INTO JAPANESE

不注意なミスで申し訳ありませんが、予約なしで座席を探していました

BACK INTO ENGLISH

Sorry for the careless mistake, but I was looking for a seat without a reservation