さようでわありませんでした
左様ではありませんでした
sayōdewārimasendeshita

Desu Copula
na-Adjective
Interjection

The polite, past negative form of さよう

1. It was not so.; That was not the case.; It wasn't as you say.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana