Hello, I am Brandon Brown.
user
Hello, how may I serve you today?
assistant
Due to an emergency meeting, I want to change my existing reservation. Can you please help me out?
user
Sure, please wait for a moment, I will check the reservation on your name and revert you.
assistant
OK.
user
Thank you for choosing us, there is no reservation found on your name.
assistant
OK, no issue. Thanks for the information.
user