Hiragana can be used to write any word with Japanese origin. When children learn to read and write Japanese they learn hiragana first. Before you learn kanji you will only know how to write Japanese words in kana.
Below is a conversation between two people. The vocabulary in the conversation below can be found in lesson 1 in the lessons section.
The conversation above is a simple conversation to get you used to reading. Now you will continue onto the mixed kana lesson where you will learn more.