You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Betty King here. Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, please wait a while.

USER: Ok, I will wait.

ASSISTANT: There is no reservation on your name in our database.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for opting us.