Hello, I am Andrew Taylor.
Hello, how can I respond to your request?
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
Sure, we are here to help you. Just wait a moment. I will check the reservation list and let you know.
OK.
Thank you for waiting, no reservation was found on your name in our database.
No problem, thank you for the information.
Thank you for choosing us.