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