You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you out?

USER: I have to cancel my recent reservation, due to some climate changes.

ASSISTANT: Sure, I am happy to help you, can I know your name for further?

USER: Sure, my name is Stephen Clark.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: As per your request there is no ticket booked on your requested name. Is there any other help required?

USER: It's ok, thank you. No thanks.

ASSISTANT: Thank you for communicating us.