The reason was he had a new assistant to take over in his place.

My newest assistant is trained better than you seem to think I am.

Obviously his new assistant had a future in this end of the business.

"If you can't do better, I'll have to get myself a new assistant."

The general then informs him he is to have a new assistant.

But you better start thinking about finding a new assistant.

Eventually, I pulled myself up and went out to meet my new assistant.

Jackie is my new personal assistant and I did ask her to contact you.

He was still getting used to having his new assistant around.

"I've been thinking you might want to start looking around for a new assistant."