If i cancel Or not my buyer accept Gig request?

[Guest mikdadkhan]

One of my buyer accepts my offer.
and at the time he says "I ordered by mistake.
I am new hear (Fiverr).
if I cancel this!
have any problem in my profile.
I mean any negative something.

or I don’t cancel my buyer accept Gig cancel request.
Please say, how can I do.

Mikdad Khan.