A: Professor, I am going to need to leave class early today.

B: What is the problem?

A: I need to go to the airport to pick up a relative.

B: Are you planning on having someone take notes for you?

A: Yes, I've got that part covered.

B: When, exactly do you need to leave?

A: I don't need to leave until the very end of class.

B: Fine, but next time try and not have to miss class again.

A: Thanks, Professor. See you later!

B: See you later! Drive carefully.