Dear Chaiyoung,

Thank you very much for your email.
My apologies for not reaching out earlier.

I would like to thank you for the time, energy, and effort you have put into your application.
Unfortunately, we have not selected you for the round of interviews this year.

You will receive an official letter shortly after this email.
I wish you all my best regards, to be safe and stay healthy in this world-wide situation.
Best wishes,

Aurelien