Just give them the blank stare...fixed pencil thin grin and then sniff.They will soon bugger off
Oh dear, sadly we are displaying our dirty laundry here but I suspect our loyal customers need to know that anyone displaying that sort of attitude
will be dealt with.
A deliberate failure to communicate by
any crewmember must throw doubts on that person's fitness to operate onboard an aircraft. The keyword the Captain will no doubt have in mind will be "offload". The management keyword would hopefully be "P45".