1. Hello!
2. Hi!
3. Good morning!
4. Good afternoon!
5. Good evening!
6. How are you?
7. I hope you're well.
8. Long time no see!
9. Nice to meet you!
10. It's great to see you!
11. How's everything going?
12. What's up?
13. How've you been?
14. I'm doing well, thanks!
15. I hope you're having a good day!
16. Take care!
17. See you soon!
18. Catch you later!
19. Have a nice day!
20. Good night!