Hi.
user
Hello.
assistant
My name is Mary Miller.
user
May I know, what kind of help I can provide you?
assistant
I want to change my existing reservation due to an emergency.
user
Ok.
assistant
Can you help me in change reservation?
user
Sure. I can not change your reservation, because your name is not in the list.
assistant
Ok, No problem. Thank you.
user
Thank you for approaching us.
assistant