Hi.
Hello, do you need any help from us?
Actually, I want to change my existing reservation which is done recently due to some problem, can you please help me out?
Sure, could I have your name please?
Sure, my name is Alexander Hall here.
Sorry, there is no reservation with your name in our portal to make changes.
Ok, not an issue. Thank you for your service.
You are welcome, have a great day.