如何回复客人漏发货没有发货信件模板

Dear XXX

Thank you so much for your great support and sorry for keeping you waiting.
We checked the tracking information found there is no update information as you said.
We will contact the post office to find out the problem.
We wonder would you still want the item, if yes, inform us the size and we will resend you asap, if not, we will make you the refund.
Waiting for your reply.
Any inconvenience hope your kind understanding.
Best regards

XXX