I know you are very concerned about this matter, but I am also responsible for training new employees during the day, so I can only reply to you by email. Thank you for your understanding.
I know you're concerned about this, but I'm also responsible for training new staff during the day, so I can only email you back. Thank you for your understanding of me.
I know you are very concerned about this matter, but I have to be responsible for training new employees during the day, so I can only reply you by email. Thank you for your understanding.<br>