Their contact details can be found:
in your order confirmation email
on your e-ticket
on the event planner’s website
and on the event planner’s social media (Facebook and/or Twitter)
There is no need to contact Weezevent, which is only the technical service provider of the event organiser. Only the organiser can manage your order.
In the event of a refund, the Weezevent group will only intervene upon the organiser's request.