When you use this service you agree that KLM, for the purpose of providing the service, sends your relevant personal data and flight information (name, flight details, booking confirmation number and ticket price) via Facebook Messenger. This is necessary to fill your booking confirmation and boarding pass format within Messenger. You acknowledge that KLM cannot guarantee an adequate level of protection required by law of any Facebook Messenger services. No other information will be shared. Facebook Messenger is not allowed to use this data for any other purposes nor will KLM ever ask you to share any (sensitive) personal data within Facebook Messenger.