It's my understanding that the hour reservation specifics are basically FUD. Since when can you not call a limo service and say "I need a limo for right NOW! Do

It's my understanding that the hour reservation specifics are basically FUD. Since when can you not call a limo service and say "I need a limo for right NOW! Do you have any?", because I'm pretty sure you can and they will send a limo your way if possible.