Hi.
user
Hello. How may I assist you?
assistant
I just want to change my existing reservation, due to sudden demise of my grand mother.
user
Sure. Tell me your name please?
assistant
John Robinson is my name.
user
Please wait.
assistant
Ok.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
That's ok, thank you.
user
Thank you.
assistant