I don’t know what appointment you made, but that’s not how they do it here unless it’s an emergency situation and then you only get a five page passport. That’s good for one year.
A normal 50 page book must be mailed in to their embassy with a address return
From start to finish mine took 2
***
to 3 weeks. It’s pretty fast if everything is correct when you send it.
I believe it’s a DS 11 page please look online for info that you fill out send in your existing passport
They send you both back with holes, punched in your old one for you to transfer any visa into your new one when you take both to immigration
You must go to the same immigration place that stamped your old passport