/>
      
      <label for="phone">Phone Number:</label>
      <input type="tel" name="phone" id="phone" placeholder="Enter phone number" pattern="[0-9]{10}" title="Phone number must be 10 digits" required/><br/>
      
      <label for="calendar">Calendar:</label>
      <input type="text" name="calendar" id="calendar" placeholder="YYYY-MM-DD" required/><br/>
      
      <label for="time">Time:</label>
      <input type="text" name="time" id="time" placeholder="HH:MM" required/><br/>
      
      <label fo