We apologize that you have to wait for a long time, because now I have to attend the meeting. For the information you need, I will send as soon as possible. Sorry for the inconvenience.
We are sorry to keep you waiting long. Because now I have to attend the meeting. For information you want, I'll send it as soon as possible. Sorry for the inconvenience
We are sorry to keep you waiting. Because now I need to attend the meeting. For the information you need I will send as soon as possible. Sorry for the inconvenience.