You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Jack Campbell, I want to cancel my recent reservation, due to my interview has been cancelled.

ASSISTANT: Sure. Wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you.