dialogue: #Person1#: Good morning, may I speak with Professor Clark, please?
  #Person2#: You are speaking with Professor Clark.
  #Person1#: Professor, I am Kalina from your morning literature class.
  #Person2#: Yes, how can I help you?
  #Person1#: I ran my car into a tree yesterday and need to miss a few days of school.
  #Person2#: Oh, my God! I hope you are all right.
  #Person1#: I have a concussion, but I will be OK.
  #Person2#: How much school will you miss?
  #Person1#: I only need to take this week off.
  #Person2#: I appreciate you calling and telling me that you won ' t be in class. See you next week!
summary: Kalina calls Professor Clark that she needs to take this week off because she had a concussion.
topic: ask for leave