At Confirmation, you will be asked to state the name by which the bishop will call you.  The Church strongly suggests that you use the Christian name you received at Baptism.  This tends to show the unity between Baptism and its completion in Confirmation.
However, if you do want to take a new name you should choose the name of a saint whose model of faith you would like to imitate as you become an adult member of the Church.  You should learn as much as you can about the saint you choose.  Your can choose your Confirmation name in many ways:

Here are some websites you can go to in order to learn more about the saints:

Please fill out the form below before November 1st.

First Name *
Middle Name *
Last Name *
Your Confirmation Name*