You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at present?

USER: I want to cancel my reservation as I am unable to travel due to some health issues, so please aid me to cancel.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Please, let me know your name to cancel it.

USER: Sure, I am Eric Wilson.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: That's Ok, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.

ASSISTANT: Have a nice day.