I will be staying with you on August 16th and 17th as per my reservation.
この場合、次のような言い方ができますよ。
ーI plan on staying there as per my reservation.
「予約通り滞在予定です」
ーI will be staying with you on August 16th and 17th as per my reservation.
「予約通り8月16日と17日に滞在します」
as per my reservation で「予約通り」
例:
Thank you for the confirmation email. I plan on staying there as per my reservation.
「確認メールありがとうございます。予約通り宿泊予定です」
ご参考まで!
Thank you for the confirmation email. We'll be staying as scheduled.
ご質問ありがとうございます。
・「Thank you for the confirmation email. We'll be staying as scheduled.」
(意味) 確認のメールありがとう。予定通り宿泊予定です。
<例文>Thank you for the confirmation email. We'll be staying as scheduled next week.
<訳>確認のメールありがとう。予定通り来週宿泊予定です。
参考になれば幸いです。