Stating your concurrence (заявляя Ваше согласие)

This is true.
That’s true.
You’re right.
Ain’t that the truth?
Ain’t it the truth?
That’s right.
That’s for certain.
That’s for sure.
That’s for darn sure.
That’s for damn sure. (mildly vulgar)
Damn straight! (mildly vulgar)
It works for me.
Well said.
I agree.
I agree with you 100 percent.
I couldn’t agree with you more.
I have no problem with that.
We see eye to eye on this.
I couldn’t have said it better.
You took the words right out of my mouth.
I’ll drink to that!

Making plans to keep in touch with someone (планируем оставаться на связи)

I’ll call you when I get home.
Call when you get there.
Don’t forget to call.
Write me.
You’ve got my e-mail address?
Text me.
I’m on Facebook.
Facebook = Twitter, MySpace, Linkedln, etc.
Let’s do lunch.
I’ll be in touch.
Let’s keep in touch.

When someone is leaving on a journey (когда кто-то уезжает в поездку)

Bon voyage!
Have a good trip!
Have a nice flight.
Have a nice trip.
Have a safe trip.
Have a safe journey.
Drive carefully.
Take care of yourself.
Take care.
We’ll miss you.
All the best.

Leaving a place (оставляя место)

Are we ready to leave?
Are you about finished?
Are you ready to go?
Ready to go?
Ready to roll? (slang)
Are we away? (slang)
Let's blow. (slang)
     blow=leave
Let's get out of this taco stand. (slang)
     taco stand = a cheap place; an undesirable place
Let's blow this joint. (slang)
     = Let's leave this place.
Let's go while the going's good. (cliche)
     Let's = Time to. We've got to
Let's get while the getting's good. (cliche)
Let's head out.
Let's beat a hasty retreat. (cliche)
Let’s make tracks. (informal)
     make tracks = leave a trail (as we go)
Let's motor. (slang)
     to motor = to leave by automobile
Let's hit the road. (slang)
Let's boogie. (slang)
Let's split. (slang)
Let's make like a tree and leave. (jocular)
Let's make like the wind and blow. (jocular)
Let's make like a banana and split. (jocular)
Exit stage right.
Exit stage left.
Retreat! (slang)

Taking leave of someone (прощаясь с кем-то)

Good running into you.
        running into you = meeting up with you
Nice running into you.
Nice talking to you.
Take care.
(It was) good to see you.
(It was) nice to see you.
Nice meeting you.
It was a pleasure meeting you. (formal)
It is a pleasure to have met you. (formal)
It's been a real pleasure. (formal)

Simple good-byes (простые прощания)

Good-bye.
Bye.
Bye-bye.
So long.
Ta-ta. (informal)
Farewell.
Cheerio.
Hasta la vista. (Spanish)
Adios. (Spanish)
Auf wiedersehen. (German)
Sayonara. (Japanese)
Arrivederci. (Italian)
Au revoir. (French)
Adieu. (French)
Cho. (Italian)
Good day. (formal)
Good evening. (formal)
Good night.
Good-bye until later.
Good-bye until next time.
Good-bye for now.
See you later.
See you later, alligator. (slang)
Later, gator. (slang)
Later. (informal)
I’ll try to catch you later.
I’ll catch you later.
Catch you later.
I’ll talk to you soon.
Let’s get together soon.
I’ll be seeing you.
I’ll see you real soon.
See you.
See ya. (informal)
See you real soon.
See you around.
See you in a little while.
See you next year.
See you then.
See you tomorrow.

Ending a conversation abruptly (завершение разговора резко)

I’m going to have to run.
Must run. {informal)
I’m all out of time. I’ll have to say good bye now.
Look at the time. I really must go.
It’s been great talking to you, but I have to go.
Wow! I’m late. Look, I’ll call you.
Sorry, but I have to leave now.
Let’s continue this another time. I really must go.

Ending a telephone conversation (завершение телефонного разговора)

I really have to go now. We'll talk sometime.
There's someone on the other line. I must say good-bye now.
The doorbell is ringing. I'll call you back.
Can I call you back? Something has come up.
I have to get back to my work. I'll call again later.
Can we continue this later? My other line is ringing.
I have to get back to work before the boss sees me.
I won't keep you any longer.
I'll let you go now.

Signaling the end of a conversation (знак окончания разговора)

Oh, look at the time!
It's getting later.
Well, David, it's really good to see you, but I really must go.
It's been fun talking to you.
(It's been) nice chatting with you.
It's so good to see you again.
We have to make plans to get together some time.
Let's do lunch sometime.