Hello. I am Christine Brown.
user
Hello, how can I aid you today?
assistant
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
user
Sure, please hold on a moment.
assistant
OK.
user
Thanks for waiting, no active reservation found on the name of Christine Brown.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant