Hi.
user
Hello, how may I aid you today?
assistant
I want to change my existing reservation owing to an emergency.
user
Sure, we are here to help you to change it. To proceed further, may I know your name?
assistant
My name is Edward Baker.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to say that, there was no reservation found on your name to change it.
assistant
Thanks.
user
Thank you for reaching us.
assistant