Provide a clear example of a similar job you have done in the past.
Please see also my freelancer portfolio: https://www.freelancer.com/u/benbinder.html (the graphic design folder - click on it and you will see the samples).
Proposal:
Hi,
I am Benjamin Binder, graphic designer and I want to design this travel book cover. I did a lot of graphic designs (banners, flyers, brochures, catalogs, powerpoint presentations, calendars, rollups, posters, book covers, logos, CD covers, web pages) until now for personal clients(I am self employed freelancer)). Please see also my freelancer portfolio: https://www.freelancer.com/u/benbinder.html (the graphic design folder - click on it and you will see the samples). Can't wait to begin! Have a great day!