Songwriter Needed For A Birthday - Date To Be Confirmed - Remote

I’m looking for someone to help my nine year old daughter write a song. My brother is a music producer so he can record it with her and turn it into a proper track, but the writing of the actual song is going to be tricky for us to do with her. Is this something you can do? I’d like to gift this to her for her birthday which is in mid may so maybe a session or however many you’d think it would take just after that. Please let me know if this is something you can do. Many thanks