Question Author
Thanks all for the further comments, yes it does seem ridiculous, the customer has jumped to a conclusion that the staff member thought they were together because the were both of the same ethnic group.
I have given a sensitive response to the customer and pointed out that this store serves a lot of groups, the assumption was made on that basis and not on ethnic grounds. I will not be offering any freebies or compo, but it has not been asked for!
Many thanks once again.
Sue