Hi.
Hi./ Hey./ Hello./ Good morning...
Good evening.
Good evening.
How are you doing?
I'm doing well./ Great./ Well.
How are you today?
I'm fine./ I'm good./ Pretty good.
How's everything?
I'm fine./ Im great/good./ I'm OK.
Good afternoon.
Good afternoon.
Good morning.
Good morning./ Morning.
What's up?
Not much./ Nothing much.