how to export xml using stored procedure in SQL Server

Hi All, I have some clarification about my sql procedure. MY scenario is, I have one expected output sample xml format. i want to create stored procedure based on the sample xml and export to the below xml format. when i execute the stored procedure i need to get the below output, i have tried this but i couldn't get the output. So please drop me a solution for this.  xml format:

<MAIN>
  <Data>
    <getdate>13.06.2016</getdate>
    <Doc>
      <phone>1234</phone>
    </Doc>
  </Data>
</MAIN>

Thanks in advance.