Hi.
user
Hello, how can I aid you?
assistant
Please change my existing reservation owing to an emergency.
user
Sure, we are here to help you. May I know your good name to proceed further?
assistant
I am Mark Carter.
user
Please wait for a while.
assistant
Sure.
user
Thanks for waiting, there is no reservation found on your name.
assistant
Thanks.
user
Thank you for opting us.
assistant