Every airline aims to comfort its passengers. And they do everything possible to make their passengers' journey comfortable, affordable and worth remembering. Also, the airlines welcome passengers of all ages and types and treat them equally. If some cases require special attention then they do have a special team taking care of such responsibilities.
So, if you are looking for any special assistance service for the passenger who is physically disabled then you do not have to get puzzled. To book a seat for such a passenger, you may first get to know about the terms and conditions. And some of which are mentioned below.
Further, if you want more information then you are free to contact the respective airline's customer service.