What are some phrases for ending a conversation?

A. Well, I gotta get going.
B. Okay. Talk to you later.
A. Have a good one.

A. Well, gotta get back to work.
B. Same here. See you.

A. I've gotta run, but it was great talking to you.
B. Good talking to you, too. Hope to see you again soon.
A. Take care.