I travel with Etihad, they even with in-flight nanny
If you want to warm up food, their first class cabin crew can help you to warm up using microwave.
(We sat in economy class)

Airline lik eunited airway will not provide warm water also, because they scare if you toddler burn with the warm water passed to you, they can get sued. Previous cases make not willing to help

This post has been edited by mr.noone: Jan 20 2016, 02:21 PM