How to create a contact form?

Go to Forms Manager in the admin menu -> Contact Forms then click Add Form button
Give the form a title
In the right you can see all the forms elements by clicking on one of them the field will
be added to the new form.
You can notice the setting of the field appearing beneath it.
Choose the fields you want in your form then click publish
You can check out this tutorial for detailed explanation of how to create a contact form.