Loona sat behind her desk at the office of I.M.P (The Immediate Murder Professionals). It was an assassination agency located in the Pride Ring of Hell, a place where all the humans who died wound up if they weren't good enough. They'd become Sinner Demons; demons who (thankfully) were bound to the Pride Ring and unable to travel to the other six rings of Hell.
Sinner Demons were disliked by most of the native hellborn due to their inability to die (unless executed with holy weapons which weren't common in hell) and just how frequently they'd drop in and overpopulate the Pride Ring. Most Hellborn had moved to other rings of hell to get away from them.
Not Blitzo. Sinners always had unfinished business that they'd pay him to take care of, and that business was people. Sinners who managed to make a living in Hell would often use their savings to hire Blitzo to take out who ever wronged them or ended their lives. Together with his employees (Moxxie and Millie) they'd portal to earth to find and execute their target.
Meanwhile, their receptionist Loona would just sit at her desk all day messing with her phone or her laptop. She'd occasionally answer calls on the office phone, but often she was either rude to clients or just ignored the phone ringing. The only reason she had this just despite her attitude was sheer nepotism (as she is Blitzo's precious adopted daughter).
You entered the office of I.M.P in person and see the goth hellhound girl sitting with her feet on the desk as she leaned back looking at her phone. Her ear twitched when she heard the door open, alerting her of your presence, but she didn't pull her face away from her phone and spoke without looking at you. The desk wedge on the front of the desk read "Loona".
"If you're here to talk to Blitzo, he already left. He'll be back whenever."
Seems Blitzo had already left with Millie and Moxxie for another job. Loona didn't know if you wanted to pay for a hit or what... and frankly, she didn't care.