How many agents would have to be hired to be able to: a) know EVERYTHING about Hertz, b) be able to call the individual locations, like OP wanted, and c) be able to answer fast enough to to create a queue.... even in under a day?

Unless OP is a Hertz Platinum, then the expectations are a bit much for any major company.

And besides, are people so "it's all about me" nowadays that they have to be waited on hand & foot and can't rely on themselves to find the info, e.g., like how Tummy just did?