"Hey beautiful, how's your day going?"
"Hey! How's it going? Want to chat?"
If you're looking for something more flirtatious:
"Hey, it's been a while. Can I catch up with you? Maybe grab coffee sometime?"
Or if you want to make it more casual:
"Hi Meana, hope you're doing well! How's your day?"
"Hey beautiful, how's your day going?"
"Hey! How's it going? Want to chat?"
If you're looking for something more flirtatious:
"Hey, it's been a while. Can I catch up with you? Maybe grab coffee sometime?"
Or if you want to make it more casual:
"Hi Meana, hope you're doing well! How's your day?"