Hi , Alice , what are you doing this sunday ?   Nothing really , why , what ' s up ?   If you are free , maybe you would like to go to a small party and having for my birthday party . It will be fun , you will get to know lots of people .   Sounds great , I'd very much like to accept your invitation , thanks , when ?   Around six pm .   Do you need help setting up or anything ? I don't mind . I like to do that kind of thing . It's fun and I have a good eye for decorating . 