It's not necessary to give up your chosen seat when travelling on a tight budget. During check-in, you can choose your economy seat for no additional charge using KLM Economy Seat Selection, or you can pay to upgrade to a more desirable seat.

Read more: https://www.travomonk.com/seat....-policy/klm-seat-sel

You can pick your seat ahead of time using the Delta seat selection map for your travel. Both the Delta website and mobile application have a seat map. You can select the desired seat by using the seat map, which displays the available seats. There are more seats available when you upgrade to a higher fare class.

Read More: https://www.travomonk.com/seat....-policy/delta-airlin

Passengers may, under certain conditions and with the appropriate supporting evidence, request a Singapore Airlines name change on ticket. It is recommended to speak with their customer service division to find out more about their specific name change regulations and practises.
Website: https://www.travomonk.com/name....-change/singapore-ai

After the #covid-19 outbreak, a lot of things have changed. The way we plan and travel—everything has been modified due to this crisis. One major change that we are seeing across industries, including aviation, is that traditional documents have been replaced by digital ones.
https://travomonkusa.liveposit....ively.com/everything

If a passenger needs their Singapore Airlines name change ticket, the airline's name change policy allows for minor name corrections at no cost. However, if the name change is significant, passengers may need to purchase a new ticket.
Website: https://www.travomonk.com/name....-change/singapore-ai