Dear Sir/MadamI'm ****, and my account number is ****. I have 1 free night certificate in my Marriott Bonvoy account, but it will be expired on m/d/y. Could you help me to extend the validity period? Thank you very much
客服邮箱
internet.customer.care@marriott-service.com 邮件发送基本可以延期 拿走不谢