diff --git "a/PULL_REQUEST_TEMPLATE.md\t" "b/PULL_REQUEST_TEMPLATE.md\t"
index 9a4d861..3d4df54 100644
--- "a/PULL_REQUEST_TEMPLATE.md\t"
+++ "b/PULL_REQUEST_TEMPLATE.md\t"
@@ -2,16 +2,16 @@
 
 Solución al reto 04 de Escuela de JavaScript
 
-Nombre:
-Usuario Platzi:
+Nombre: Alejandro Avila Guerrero
+Usuario Platzi: alejandroavilaguerrero
 
 ## GRUPO
 - [ ] Martes
 - [ ] Miercoles
-- [ ] Jueves
+- [+] Jueves
 
 ## Reto:
-  - [ ] Primer problema
-  - [ ] Segundo problema
-  - [ ] Tercer problema
-  - [ ] Cuarto Problema (Opcional)
\ No newline at end of file
+  - [+] Primer problema
+  - [+] Segundo problema
+  - [+] Tercer problema
+  - [+] Cuarto Problema (Opcional)
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..9bfd017
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,12 @@
+{
+  "name": "escuelajs-reto-04",
+  "version": "1.0.0",
+  "lockfileVersion": 1,  "requires": true,
+  "dependencies": {
+    "xmlhttprequest": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+      "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+    }
+  }
+}
diff --git a/package.json b/package.json
index bf060d5..540620b 100644
--- a/package.json
+++ b/package.json
@@ -21,4 +21,4 @@
     "url": "https://github.com/platzi/escuelajs-reto-04/issues"
   },
   "homepage": "https://github.com/platzi/escuelajs-reto-04#readme"
-}
\ No newline at end of file
+}
diff --git a/src/index.js b/src/index.js
index 4c965e7..8ce5f0c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,12 +1,43 @@
+const XMLHttpRequest = require("xmlhttprequest").XMLHttpRequest;
+
+const urlApi = 'https://us-central1-escuelajs-api.cloudfunctions.net/orders'
+const xhttp = new XMLHttpRequest()
+let orderCount =[0, 0, 0, 0, 0];
+let ordersTable = [one=[], two=[], three=[], four=[], five=[]]
+
 const orders = (time, product, table) => {
   console.log(`### Orden: ${product} para ${table}`);
+  let n = table.charAt(table.length-1)
+  ordersTable[n-1][orderCount[n-1]]= product 
+  orderCount[n-1]++
   return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve(`=== Pedido servido: ${product}, tiempo de preparación ${time}ms para la ${table}`);
-    }, time);
+    if (resolve){
+      setTimeout(() => {
+        if(orderCount[n-1] === 1){
+        resolve(`=== Pedido servido: ${ordersTable[n-1].map((order)=>order)}, tiempo de preparación ${time}ms para la ${table}`);
+        orderCount[n-1]=0
+      }else orderCount[n-1]--
+
+      }, time);
+    }else reject(new Error('Error al ejecutar orders =('))
   });
 }
 
+const fetchOrders = (url) =>{
+  xhttp.open('GET', url, false)
+  return new Promise((response, reject) => {
+    xhttp.onreadystatechange = () => {
+      if (xhttp.readyState === 4){
+        if (xhttp.status === 200){
+          const res = JSON.parse(xhttp.responseText)
+          return response(res)
+        }else return reject(new Error('Error al ejecutar fetch =('))
+      }
+    }
+    xhttp.send()
+  })
+}
+
 const menu = {
   hamburger: 'Combo Hamburguesa',
   hotdog: 'Combo Hot Dogs',
@@ -15,10 +46,57 @@ const menu = {
 
 const table = ['Mesa 1', 'Mesa 2', 'Mesa 3', 'Mesa 4', 'Mesa 5'];
 
+const randomTime = () => Math.floor(Math.random() * (8000 - 1000) + 1000)
+
 const waiter = () => {
-  orders(6000, menu.hamburger, table[3])
+  orders(randomTime(), menu.hamburger, table[3])
     .then((res) => console.log(res))
     .catch((err) => console.error(err));
 };
 
-waiter();
+const waiterTwo = () => {
+  orders(randomTime(), menu.hotdog, table[0])
+    .then((res) => console.log(res))
+    .catch((err) => console.error(err))
+  orders(randomTime(), menu.pizza, table[2])
+    .then((res) => console.log(res))
+    .catch((err) => console.error(err))
+}
+
+const waiterThree = () => {
+  orders(randomTime(), menu.hotdog, table[1])
+      .then((res) =>console.log(res))
+      .catch((err) => console.error(err))
+  orders(randomTime(), menu.pizza, table[1])
+      .then((res) => console.log(res))
+      .catch((err) => console.error(err))
+  orders(randomTime(), menu.hotdog, table[1])
+      .then((res) => console.log(res))
+      .catch((err) => console.error(err))
+}
+
+const waiterFour = async(url) => {
+try{
+  const pedido1 = await fetchOrders(url)
+  orders(randomTime(), pedido1.data, table[4])
+  .then((res) => console.log(res))
+  .catch((err) => console.error(err))
+  const pedido2 = await fetchOrders(url)
+  orders(randomTime(), pedido2.data, table[4])
+  .then((res) => console.log(res))
+  .catch((err) => console.error(err))
+  const pedido3 = await fetchOrders(url)
+  orders(randomTime(), pedido3.data, table[4])
+  .then((res) => console.log(res))
+  .catch((err) => console.error(err))
+  const pedido4 = await fetchOrders(url)
+  orders(randomTime(), pedido4.data, table[4])
+  .then((res) => console.log(res))
+  .catch((err) => console.error(err))
+}catch (error) {console.log(error)}
+}
+
+waiter()
+waiterTwo()
+waiterThree()
+waiterFour(urlApi)
\ No newline at end of file