To report a message from someone or block any future communication from them:
Go to your Inbox and click the conversation with the person you want to block
Click the flag icon next to the message to report a user
You must select They're being offensive to block a user and follow the next few questions with the appropriate options
Describe the reason for blocking
Click Submit, then Block this person and OK If you block someone, they won’t be able to send you messages, send you a reservation request, or accept a reservation request from you.