Could it be possible to place arena team on hold while we're away ?

I was thinking about an option allowing people to place arena teams on hold while they're on vacation. Something like an option allowing players to step out of the competition while they're afk. Something like an option allowing you to step out of the competition while you're away. People would declare being away for X week and their arena status won't be affected. 

Like  : "I resign for X weeks of arena" and even if you reconnect earlier you will not be able to enter arena until the day you told.