Use the ship set?
Yuck! Literally.
As a new hire, I'm not sure what you can afford. But until you can spend between $200 (Telex 750) and $400 (A8 ANR) bring some disinfectant wipes for the mic cover and the ear covers.
Yuck!
Have you seen our pilots? We had one fired for buying something on the street corner from a guy who knows a guy for some skank he wanted to play with and then 5 minutes later you are swapping seats and wearing this person gear!
No way.