Customer notification not working

Hi
Form is not sending customer email notifications.
Admin notifications are working. And we have input type - email.
Any ideas how to fix this?
thanks

Hello,
Thank you for contacting us

Send us a link to page with problem.
Send us FTP access and Joomla admin access via our contact form.
support.balbooa.com/contact-us

Regards,
Vyacheslav, Balbooa.com