cross pollinating form fields

[janrif]

I don't use the built in contact form because some fields are ridiculously long & it doesn't have some things I want & I can't edit the form itself.

However, let's assume I did use it.

I populate the first | last name | tel | address

Now I have an appt form.

In that appt form I include fields first | last name | address, shouldn't I be able to scroll down a list in each of these fields in which I would find first | last name | address choices from the contacts form?