Hello, I am Charles Lee.
user
Hello, how can I oblige you today?
assistant
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
user
Sure, we are glad to help you with cancellation. Please wait for a moment.
assistant
OK.
user
Thanks for waiting, there was no reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for reaching us.
assistant