How do nest the same dialogue infinitely?

How do nest the same dialogue infinitely?

First of all, is this even possible?

Second, How?

I have not even attempted such a feat yet. I just do not know where to start. I have my base dialogue that pops when a user clicks new on an account (this account is to create a parent), but this needs to be able to be done infinite amount of times. I.E. Sub-Item of a Sub-Item of a Sub-Item of a Sub-Item, etc...