Hello, I am Angela Martinez.
user
Hello. How can I aid you?
assistant
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
user
Ok, please wait I will let you know.
assistant
OK.
user
Sorry to inform you that no reservation was found on your name.
assistant
No problem, thank you for the information.
user
 Thank you for availing us.
assistant