Definition: Given a travel related situation, and given a specific question about the situation, summarize the question into a title
Input: I have a flight with one leg operated by Air France and the other one by JAL. Apparently, I cannot choose my seat from the Air France website and cannot check-in online on the JAL website. Is there any way for me to choose my seat?

Also, I will Premium Economy on JAL, are all seat of equivalent quality like in Business or is there bigger differences between seats like in Economy?

Output:
How to choose seat with JAL when online check-in is not available?