Can you say you hope things are going well?

Answer 1

Dear Sally,

Good morning, things are great down here, hope everything is going well for you too! I've already forward your email message to my colleague to work on the issues.

Again, thank you and you have a wonderful day!

Ed

Answer 2

Yes, it's a common phrase in the English language.
ie,
"I hope things are going well with you!"

Answer 3

I hope things are going well for you. If there's anything specific you'd like to talk about or need assistance with, feel free to ask.