Dear David,
I am more than glad to hear from you but surprised to learn you want to give up applying to work as a volunteer for the 2012 London Olympic Games.After all,you have many advantages.First of all,you are a native of London and thus know it very well.In addition,,you are easy to get along with,which is especially useful to a volunteer.Most importantly,it is a good opportunity to improve yourself and help display a good image of your country.Therefore,I sincerely hope you can size the chance and make every effort to become a good volunteer.Looking forward to your early
reply.
Yours,
Li Hua