This theme has it's own Contact Form Builder where you can define each field name, type and placeholder. First of all please type the contact form note at "Contact Form Heading".
Next start making Contact Form fields by clicking "Add Row" at "Contact Form" field.There will appear a set of fields each time you click that button.
Atatürk Cad. No: 1 Ankara
0312 123 45 67
0532 123 45 67