電話後跟進電郵

Dear Mr. Chan,

In regards to our conversation on the phone, I am writing to confirm that two technicians will be sent to us by you, to resolve our IT problem on Monday.
Thank you very much.

Regards,
Tim

親愛的陳先生,

關於我們在電話中的談話,我寫此電郵為了確認您將會派遣兩位技術人員星期一來解決我們的IT問題。
非常感謝你。Regards,
Tim