Originally Posted by
wheeze
I had a similar situation, Call KLM, they were very helpful and efficient in taking the miles away from FB so I could attribute them to Delta. I took a screen shot from FB app showing return, they also sent me an email. I later called Delta to explain, they were able to get me credit
you were right, the FB team was surprisingly awesome. She understood right away, knew what to do and did it. Then contact Delta right after, they did their thing, and the miles + MQDs posted instantly.