booking wont show

<?php

$db = mysqli_connect("localhost", "root", "root", "c9") or die("QUERY failed". mysqli_error($db));

if (isset($_POST['submit'])) {
  $student = $_POST['first'];
        $last = $_POST['password'];
       $phone = $_POST['phonenumber'];
    $email = $_POST['email'];
    $location = $_POST['location'];
        $query = "INSERT INTO booking(first, Last, Phone, email,location) VALUES('$student', '$last', '$phone', '$email', '$location' )";
    $results = mysqli_query($db, $query);
//if !$run_query is true then echo this error.
    if($results) {
            //echo that it worked
        echo 'QUERY ok<br />';

    } else {
    //if it fails then do this.
        echo 'QUERY failed -- ' . mysqli_error($db) . '<br />';
    }
}
?>


<?php
session_start();
if($_SESSION['login'] != "That GRRRRREAT")

{
 header('Location: login.php');
 exit();
}

?>
<html>
<head> <link rel="stylesheet" a href="book.css">
    <script  src="https://ajax.googleapis.com/ajax/libs/jquery/3..3.1/jquery"></script></head>
<body>
<ul>

 <li style="float:right" ><a href="FAQ.html">FAQ</a></li>

<li><a href="profilepage.php">profile </a></li>
    <li><a href="messages.php">Messages</a></li>
    <li  ><a href="booking.php">booking </a></li>


</ul>
<div id= "container">
<div id="form">
				 	<form action="book.php" method="post">
					<table>
						<tr>
							<td align= "right">
								First Name:
							</td>
							<td>
								<input size="20px" size="20px" maxlengh="15" type="text" name="first" id="user" onkeyup="check_user()" required>
							</td>
						</tr>

						<tr>
							<td align = "right">
								Last Name:
							</td>
							<td>
								<input size="20px" type="textf" size="20px" maxlengh="15" name="password">&nbsp;

							</td>

                            <td align= "right">
								Email:
							</td>
							<td>
								<input size="20px" size="20px" maxlengh="15" type="text" name="email" id="user" onkeyup="check_user()" required>
							</td>
						</tr>

						<tr>
							<td align = "right">
								Phone number:
							</td>
							<td>
								<input size="20px" type="text" size="20px" maxlengh="15" name="phonenumber">&nbsp;

							</td>


						</tr>
                        <tr>
							<td align = "right">
								Location:
							</td>
							<td>
								<input size="20px" type="textf" size="20px" maxlengh="15" name="location">&nbsp;

							</td>
                        </tr>
						 <td colspan= "2" align="left">  <button type="submit" class="button" name="submit">Add the task</button></td>

					</div>

    <table>
            <thead>
                <tr>

                    <th>&nbsp;</th>
                    <th class="taskz">Tasks</th>
                    <th>Done</th>
                    <th>&nbsp;</th>
                </tr>
            </thead>

           <tbody>
              <?php
                 $db = mysqli_connect("localhost", "root", "root", "todo") or die("QUERY failed". mysqli_error($db));
             $run_task = mysqli_query($db, "SELECT * FROM booking LIMT 20");
               if ($run_task)
               {
             while ($row = mysql_fetch_assoc($run_task))
             {
               $id = $row['id'];
               $task1 = $row['First'];

               ?>
             <tr>

               <td>?php echo $id; ?> </td>
               <td>?php echo $task1; ?> </td>
              <td class = "delete"> <a href="index.php?delete=<?php echo $id;?>"> X</a></td>
             </tr>


             <?php } }?>
            </tbody>

        </table>
        </div>


    </div>
</body>


</html>