Made a name mistake in taking appointment

[aamirahmed]

hi there
my name is aamir ahmed
i have a problem.
i was taking appointment for my and my brother.during the process i made a mistake in my brothers name..now i got a confirmation and i saw theres been a mistake that i did..the name is AHTASHAM AHMED and over the confirmation its reads AHATSHAM AHMED.now i wanna know is it acceptable.or how to change it.

[immihelp]

It is best to cancel the current appointment and take the new one with the correct name.