InvokedByCortana.cs

using UnityEngine;
using System.Collections;

public class InvokedByCortana : MonoBehaviour {

    public delegate void OnEvent(object arg);

    public OnEvent onEvent = null;

    public GameObject flarePrefab;

    public GameObject flareGeneratePointPrefab;

    public GameObject TargetPrefab;

    public GameObject TargetGeneratePointPrefab;

    

    void Update() {
    /*for debug only*/
        if (Input.GetKeyDown(KeyCode.E)) {
            generateFlare();
        }

        if (Input.GetKeyDown(KeyCode.F)) {
            proceedFlare();
        }
    /**/
    }

    public void generateFlare() {
        GameObject flareObj = GameObject.FindGameObjectWithTag("flare");
        if (flareObj == null) {
            flareObj = Instantiate(flarePrefab, flareGeneratePointPrefab.transform.position, Quaternion.identity) as GameObject;
            flareObj.tag = "flare";
        }
        GameObject TargetObj = GameObject.Find("Target");
        if(TargetObj == null) {
            TargetObj = Instantiate(TargetPrefab, TargetGeneratePointPrefab.transform.position, Quaternion.identity) as GameObject;
            TargetObj.name = "Target";
        }

    }

    public void proceedFlare() {
        GameObject flareObj = GameObject.FindGameObjectWithTag("flare");
        if (flareObj != null) {
            flareObj.GetComponent<Rigidbody>().AddForce(TargetGeneratePointPrefab.transform.position*10, ForceMode.Acceleration);

           // flareObj.transform.Translate(TargetGeneratePointPrefab.transform.position);
        }
    }
}

This is a sample code for Cortana and Unity connection.