Dial the
KLM airlines customer service phone number.
After that, you must wait and listen to the IVR options carefully.
Now, you need to select the digit to choose your preferred language.
After that, you will have to listen to the second round of IVR options. Now, you will select the digit as per the purpose of calling.
Now, soon the airlines will connect you to the live agent at KLM.
After that, you need to share your queries and questions.
The airline personnel ensure that you have all the answers to your KLM flight-related issues.
You can also call the airlines even if you want to share any feedback after the travel.
Source:
https://manageairlinesbooking.com/blog/how-do-i-speak-to-a-live-person-at-klm-airlines/