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">
<div class="input-box"><label for="exampleFormControlInput1" class="form-label">FIRST NAME</label>[text* fname class:form-control placeholder "Adam"]
</div>
</div>
<div class="col-lg-6">
<div class="input-box"><label for="exampleFormControlInput1" class="form-label">LAST NAME</label>[text* lname class:form-control placeholder "Smith"]
</div>
</div>
<div class="col-lg-6">
<div class="input-box"><label for="exampleFormControlInput1" class="form-label">EMAIL ADDRESS</label>[email* email class:form-control placeholder "[email protected]" ]
</div>
</div>
<div class="col-lg-6">
<div class="input-box"><label for="exampleFormControlInput1" class="form-label">PHONE NO</label>[number* Phonenumber class:form-control placeholder "+123 4567 8901"]
</div>
</div>
<div class="col-lg-12">
<div class="input-box"><label for="exampleFormControlInput1" class="form-label">YOUR MESSAGE HERE</label>[textarea* message class:form-control placeholder "Your message here"]
</div>
</div>
<div class="col-lg-6">
<button class="default-btn" type="submit">Send Message Now</button>
</div>
</div>