Can my order automatically complete if i declined dispute?

[chatha502]

hello there…!
I’m facing very big problem. I have deliever order according to the seller discripition. I have did as it is job and delieverd.He was offline for 2 days. But when he online and in reponse he send dispute on order for cancelation.I decline his dispute in response.
I’m worried i have done his job but he want canclation but why?? now he did not response me. I think he is black mailer after receiving required work now he also want refund his money.
can my order automatically complete if i declined dispute??
Now what should i can do right now

[wp_kid]

Order will be automatically complete if seller dislined order cancelation dispute? .