See you.
Ja (de wa).
See you. (formal)
Ja (de wa) mata.
No thanks.
Kekkoo desu.
Good evening.
Konban wa.
Good afternoon.
Konnichi wa.
How are you?
O-genki desu ka.
Good morning. (informal)
Ohayoo.
Good morning. (formal)
Ohayoo gozaimasu.
I haven’t seen you for a long time.
O-hisashiburi desu ne.
Thanks to you, I am fine.
Okagesama de genki desu.