What can I ask in a international relocation package?

Relocation to Atlanta

Ask them when they offer you the job.

You can ask for traveling expense.
If you be moving your stuff you can ask for that expense.
If your renting a apt and your breaking a lease ask for that expense.
Car expense
If your have kids and there going with you can ask for private education expense.
If you be learning a new language you can ask for tutor expense