statement for a job application

(I want to write a letter responding to the below statements. I am a clinical Adjunct trainer at  the current place). 

If you still have an interest in joining the team at --------- University, I would ask that you respond to this email and complete one of the following:

1) I have previous experience teaching clinical/lab.  I would like to join Holy Family University because ...

Also, please explain how you might handle a situation where a student is disrespectful, loud, argumentative, etc.