Hello, I am Patricia Lee.
Hello, How can I assist you?
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
Sure, we are here to help you.
Thank you.
Please wait for  while. I will check and revert you.
Ok.
Thanks for waiting, there is no active reservation on your name in our database.
No problem, thank you for the information.
Thank you for choosing us.