"Martha? This is Jack. I have a fever and I will not be able to come in today."
"Hi Mary, I have to use a sick day today. I'm feeling terrible right now."
"Hi Steve, this is Mark. I wanted to let you know that I am too sick to come in today."
"Hi Andrew, this is Josh. I'm pretty sick so I will not be able to make it in today. I was feeling sick last night and thought I would be better after some sleep, but it just got worse."

"Hi Sam, this is Jessica. I have some urgent personal matters I have to deal with. I won't be able to make it in."
"Mark? This is John. My dad went into the emergency room this morning. I'm not sure what the problem is, but I don't think I can make it in today. I'll send you an update later."
"My son all of the sudden got really sick. I have to take him to the hospital now. I doubt I can make it in today. Will that be ok?"
"Jake? Will it be ok if I take the day off? My grandmother just passed away and I don't think I will be able to work today."