<!DOCTYPE html>
<html>
<head>
<title>Fenstertitel der Seite</title>
</head>
<body>
<p>Abflughafen:</p>
<form action="action_form.php" target="_top">
<input type = "text" list = "airports" name="airports">
<datalist id = "airports">
<option value = "Berlin">
<option value = "Los Angeles">
<option value = "Moskau">
<option value = "Paris">
</datalist>
<input type = "submit" value = "bestätigen">
</form>
</body>
</html>