Dean Jones says:

"You have an unrealistic idea about your own worth.  It is obvious that you don't understand the nature of the job market, or of the budgetary constraints my university is under.  Therefore, I don't think I can to hire you.

Our negotiation is at an end.  I wish you well as you seek other jobs."

Critique:

You got a bit greedy, didn't you?  You might want to try again, to see if you can reach an agreement with Dean Jones.