You may be pleased to know that you can do this via the GDS system for meal preference when booking flights by using the code CLML ("celebration cake meal") if your travel agent is cool.
You may be pleased to know that you can do this via the GDS system for meal preference when booking flights by using the code CLML ("celebration cake meal") if your travel agent is cool.
Here's a reference, as well as other options: https://worldgo.ca/understanding-your-airlines-meal-options/