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="row">
<div class="col-lg-12 col-md-6">
<div class="form-group">
[text* your-name class:form-control placeholder "Your name"]
</div>
</div>
<div class="col-lg-12 col-md-6">
<div class="form-group">
[email* your-email class:form-control placeholder "Your email address"]
</div>
</div>
<div class="col-lg-12 col-md-12">
<div class="form-group">
[number* your-number class:form-control placeholder "Please enter your phone number"]
</div>
</div>
<div class="col-lg-12 col-md-12">
<div class="form-group">
[textarea your-message class:form-control rows:5 placeholder "Write your message..."]
</div>
</div>
<div class="col-lg-12 col-md-12">
[acceptance gdpr class:gdpr-term ] Accept <a href="http://yoursite/terms-conditions/">terms</a> and <a href="http://yoursite/privacy-policy/">privacy policy</a>.[/acceptance]
</div>
<div class="col-lg-12 col-md-12">
<button type="submit" class="default-btn">Send Message</button>
</div>
</div>