Hello, I am Mary Martin.
user
Hello, Mary Martin, how can I aid you today?
assistant
Due to an emergency meeting, I want to change my existing reservation. Can you please help me out?
user
Sure, we are glad to aid you. Please wait for a while, I will check the status and revert you.
assistant
OK.
user
Thank you for waiting, we are sorry to inform you that no reservation has found based on your name.
assistant
OK, no issue. Thanks for the information.
user
It's my pleasure, have a joyful day.
assistant