Here is the Contact Form 7 template and source code for the Contact form.
To edit this form go to Contact> then edit your targeted form
<div class="form-group">
<label>Name</label>
[text* your-name class:form-control placeholder "Enter your name"]
</div>
<div class="form-group">
<label>Email</label>
[email* your-email class:form-control placeholder "Enter your email address"]
</div>
<div class="form-group">
<label>Phone Number</label>
[number* your-number class:form-control placeholder "Enter your phone number"]
</div>
<div class="form-group">
<label>Message</label>
[textarea your-message class:form-control rows:5 placeholder "Write your message"]
</div>
<div class="form-group">
[acceptance gdpr class:gdpr-term ] Accept <a href="http://localhost/wordpress/realh/terms-conditions/">Terms</a> and <a href="http://localhost/wordpress/realh/privacy-policy/">Privacy Policy</a>.[/acceptance]
</div>
[submit class:default-btn]