Hello.
user
Hello, how can I assist you?
assistant
 Owing to an emergency, I want to change my reservation. Can you please help me with that?
user
May I know your good name?
assistant
Daniel Martin here.
user
Please wait for a moment.
assistant
Ok.
user
Sorry, we found no reservation on your given name.
assistant
Thank you for the help.
user
Thank you for opting us.
assistant