How Can i store string variable through UI text that is confirmed by a button ?

I want to make input field that says "What's your name" and i have done it. I have put an UI button that says confirm and i want after i press it to store the Ui text string and load the game scene, how can i do this ?

 using UnityEngine;
 using System.Collections;
 using UnityEngine.UI;
 
 public class UIInputField : MonoBehaviour {
 
     public Text charText;
     public Text placeholderText;
     
     // Use this for initialization
     void Start () {
        
        charText = GameObject.Find("CharText").GetComponent<Text>();
        placeholderText = GameObject.Find("Placeholder").GetComponent<Text>();
        }
     
     
     public void CharacterField(string inputFieldString)
     {
         charText.text = inputFieldString;
     }
         
     public void ConfirmName()
     {
         if(placeholderText.enabled == true)
             Debug.Log("Please enter a name");
         
         else
             Debug.Log(" Confirmed Player Name");
     }
     
      
 }