Why does the woman apologize to Donna?

Hi, Donna. Sorry I wasn’t able to call you earlier today. I had a phone conference with Bob Radley in Michigan, which went a lot longer than I anticipated. However, one of the things Bob and I talked about this morning was hiring you to join our team. He said it sounds great. So if you can, Donna, I’d like you to start working with us as soon as possible. Please call me back so we can talk about the details. In the meantime, I will put some materials together for you. I’ll run out to the post office and mail them to you right now, and hopefully talk to you later today. Bye.