First add a person as a friend by sending him a request.
1. Open your Facebook account, select friends. Now in the option search for people, give my name and press enter. Now a list is displayed, select add as friend and send a request.
Deleting the person whom from your friends list
2. Select friends, type the name of the person you want to delete and press enter. It displays the person to whom you have sent a request. Now opposite to his name you can see two options, add to list or remove. You need to select remove and the person gets deleted from your list.
This is how you delete a person from your Facebook.