Hi.
user
Hello, how can I help you?
assistant
I am Michelle Young. I want to change my existing reservation, please help me out.
user
Sure, please wait for a while.
assistant
ok.
user
May I know your good name please?
assistant
I have already mentioned above.
user
Sorry, no reservation found on your given name.
assistant
No issues, thanks for the information.
user
Thank you for choosing us.
assistant