Inundated by numerous Promotional Messages which I was advised would STOP - THEY DIDN'T . 2 Helpful staff said they would effect , but clearly unable to so do as Promised . Your systems clearly only have high priority for Promotion . Made very clear didn't want such , and Normal PO Mail response as have no printer & Not happy with Web Processes . Apparently IGNORED . I am a VERY DISSATISFIED CUSTOMER after spending ~£2,5 K . I WANTED TO CANCEL MY BOOKING , BUT THAT CLEARLY NOT POSSIBLE AS U ONLY AGENTS FOR P & O . REGRETTABLY I MADE A VERY BAD DECISION - AFTER SPENDING TIME WITH FRIENDS IN AMSTERDAM AND WANTING TO FOLLOWUP . NOT HAPPY WITH P&O PROCESSES EITHER AFTER FIRST CRUISE ON BRITANNIA IN EARLY MAY , WHERE I WAS THREATENED BY AN UNKNOWN THUG MANAGING CABIN STAFF - WITH NO MEANINGFUL FOLLOWUP.AFTER 2 SERIOUS COMPLAINTS TO THEIR MANAGEMENT .