Hi Thanakorn,
We've created an account for you at our Customer Service system at http://service.teka.co.th.
Please follow the link below to confirm your account and gain access to your tickets.
http://service.teka.co.th/scp/pwreset.php?token=l2uRyZtFBMvnrU7pUVDPYs-4SRz1kE5rWLDRzDSJMMtMBTDD
Teka Customer Service
Teka Thailand Co. Ltd.