

Does it usually come from the same number or numbers? If so, I’d block it/them and move on.
You tried your best to get them to at least contact her for updated information. Blocking the number(s) means you no longer see the confirmations and such. The only issue down the road would be you won’t get your own confirmations if you ever book with them and use that phone number.
My parents have one of these, and it drives me nuts when I visit. I understand that feature on something like an oven where it’s still cooking. But the microwave stopped. Nothing’s going to burn. So stop rushing me!