Good news I have solution ……
I used WordPress 3.0.1 and Contact Form 7 ver. 2.3.1, and I have same error that deewilcox. Email are not send when you submit.
It is a syntax adress error, it necessary to change permalink parameter to default
https://delugeband.com/booking/ Syntax error
https://delugeband.com/?page_id=124 good syntax with number id
To modify go to Dashboard, Settings, General, Permalinks and valid Default
Save changes and it is OK.
You can see menu at this link
https://codex.www.ads-software.com/File:options-permalinks.png
Have a good day !
Eric