Contact Form 7 How to have a dropdown menu so clients can choose their form

How to have a dropdown menu so clients can choose their form
like in this https://www.resumewritingservices.net/start-now.php
at the section “Select an Option”you can choose what your form gonna be base on your option

It dont have to be contact form 7 but if your know some other plugin that can do that just tell me but It have to be free and with paypal cause I dont really have money

thankyou