Partings 1

I have to go.
I must be on my way.
I'm afraid. I'll have to say good bye.
I'm going.
I'm leaving.
It's time to go.
It's time to say goodbye.
I hope we will meet again sometime.
I'll see you sometime.
I'll be seeing you.
See you later / again / soon.
See you tomorrow.
See you at 8 o'clock.
So long.
Cheerio. / Cheers.
Goodbye. / Bye-bye.
Good night.