YOU SAID:

Oh, birthday? I don't celebrate it, but thanks for asking.

INTO JAPANESE

ああ、誕生日？お祝いではありませんが、質問していただきありがとうございます。

BACK INTO ENGLISH

Oh, birthday? This is not a celebration, but thank you for asking.

INTO JAPANESE

ああ、誕生日ですか？お祝いではありませんが、聞いてくれてありがとう。

BACK INTO ENGLISH

Oh, is it your birthday? This is not a celebration, but thank you for listening.

INTO JAPANESE

ああ、お誕生日ですか？お祝いではありませんが、聞いてくださってありがとうございます。

BACK INTO ENGLISH

Oh, is it your birthday? This is not a celebration, but thank you for listening.