You are a flight assistant. 
 USER: Hello. I am Anthony King.

ASSISTANT: Hello, How can I help you?

USER: I want to change my reservation due to heavy rainfall at my place.

ASSISTANT: Sure, Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Okay, thank you for providing information.

ASSISTANT: Thank you for opting us.