Name change as prepared to be flamed 
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Basically my husband hasn't seen his brother who lives in the Malaysia for over 5 years. So our 4 year DD has never met her uncle yet and we have never met our 2 year old niece. We planned to visit but obviously pandemic put a stop to that.
Husbands DB told us he is going on a business trip to Dubai which lands in February half term and would obviously love to see us all if fancied a holiday. He said his family would come with him if we came. My DH who is very close to his DB couldn't say yes quick enough.
However it now turns out that DB in law has got his dates wrong he is actually in Dubai the week after the school holidays. DH is now suggesting we still go but stay on a few days longer so DD will miss 3 days of school. So we would still see them for two days. Dd is in reception so I don't think the school could fine us but I still feel bad about it. AIBU to take DD out of school for this reason. If she was older it would be a definite no.
The other issue is brother in law should be (pandemic permitting) moving to Australia next year. So it's not like we could go and see him in the summer holidays. I also have a young baby and do not fancy such a long flight.