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-6 col-md-6 col-sm-6">
<div class="form-group">
<label>Full Name</label>
[text* your-name class:form-control]
</div>
</div>
<div class="col-lg-6 col-md-6 col-sm-6">
<div class="form-group">
<label>Email Address</label>
[email* your-email class:form-control]
</div>
</div>
<div class="col-lg-6 col-md-6 col-sm-6">
<div class="form-group">
<label>Mobile No.</label>
[number* your-number class:form-control placeholder]
</div>
</div>
<div class="col-lg-6 col-md-6 col-sm-6">
<div class="form-group">
<label>Subject</label>
[text your-subject class:form-control]
</div>
</div>
<div class="col-lg-12 col-md-12 col-sm-12">
<div class="form-group">
<label>Message</label>
[textarea your-message class:form-control rows:6]
</div>
</div>
<div class="col-lg-12 col-md-12 col-sm-12">
<button type="submit" class="default-btn">Send Message</button>
</div>
</div>