Stopping navmesh agent next to the enemy

Hello everybody,

I am a Unity student and working on an RTS game.

I have a guy who has 3 weapons: knife, gun and UMP45. He can stab the enemy from a distance if next to the enemy and can gun down them when inside a certain distance of them. Range of the gun and ump obviously. I have issues with preparing the character for the stabbing animation. I would like to stop the main character next to the enemy soldier in a distance like 1 meter when I clicked on the soldier. I cannot stop the guy he keeps going into the position of the soldier and overlaps the enemy instead of stopping next to him by a distance. I have tried stopping distance, by some issues it is not working in my case. Remaning distance gives me weird amounts when I measure it on the scene.

Here is what I have so far:

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.AI;

using UnityEngine.EventSystems;

public class AiMoveToClick : MonoBehaviour

{

 // Making the main character to be able to move where the player clicks //

 public GameObject player;

 // Reference for the navmesh agent component
 NavMeshAgent playerNavmesh;

 Animator playerAnim;

 public bool canStab;

 WeaponSelection weaponSelectionScript;

 Transform target;

 public bool enteredTrigger;

 Vector3 offset =  new Vector3(4.0f, 0, 4.0f);
 // Start is called before the first frame update
 void Start()
 {
     playerNavmesh = GetComponent<NavMeshAgent>();

     playerAnim = GetComponent<Animator>();

     weaponSelectionScript = FindObjectOfType<WeaponSelection>();

     playerAnim.SetBool("IsWalking", false);

     canStab = false;
 }

 // Update is called once per frame
 void Update()
 {

     
     // if we click with the left mouse button
     RayCastCheckAndMove();

     if(Input.GetKeyDown(KeyCode.G))
     {
         playerAnim.SetTrigger("IsStabbing");
     }
 }

 public void RayCastCheckAndMove()
 {
     if (Input.GetMouseButton(1))
     {
         target = null;
     }

     if (Input.GetMouseButton(0))
     {
         // if the UI is selected do not do anything
         if(EventSystem.current.IsPointerOverGameObject())
         {

             return;
         }

         // temp storage for Raycast information , new Raycast variable
         RaycastHit hit = new RaycastHit();


         // IF Raycast inside Physics class
         // If the raycast coming from the camera hits the position (where the mouse click happens)
         // store the information into hit variable and take a distance for Raycast as 100
         if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, Mathf.Infinity))
         {
             if (hit.collider.CompareTag("Plane"))
             {
                 playerNavmesh.stoppingDistance = 0;
                 // move the navmesh agent to the mouse click's position
                 playerNavmesh.destination = hit.point;

                 //Debug.Log("You clicked on: " + hit.collider.tag);
             }

             if (hit.collider.CompareTag("Soldier1") && weaponSelectionScript.knifeIsSelected)
             {
                

                 //canStab = true;

                 target = hit.transform;

                 playerNavmesh.destination = target.position + offset;

                 if (playerNavmesh.remainingDistance <= 0)
                 {
                     playerNavmesh.speed = 0;
                     //playerAnim.SetBool("IsWalking", false); 
                     playerAnim.SetTrigger("IsStabbing");
                 }
             }
         }

         // if remaining distance to destination is more than 0 meaning we are on our way
         if (playerNavmesh.remainingDistance > 0)
         {
             // switch on the walking animation sequence with a boolean
             playerAnim.SetBool("IsWalking", true);
         }

     }

     // if the remaining distance is 0, meaning we have arrived to destination
     if (playerNavmesh.remainingDistance <= 0)
     {
         // switch off the walking animation sequence with a boolean
         playerAnim.SetBool("IsWalking", false); 
     }
 }

}

Can I get help on this please?

Thank you very much