Hello.
user
Hello, how can I help you today?
assistant
Actually my Musical concert date is extended, so that I want to change my existing reservation. Can you help me?
user
Sure, may I know your good name?
assistant
Yes, I am Patricia Turner.
user
Please wait for a moment.
assistant
Sure, take your own time.
user
Sorry to say that, no reservation was found with your good name.
assistant
That's fine, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant