You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am Joshua Wright.

ASSISTANT: How best can I serve you exactly?

USER: Please cancel my recent reservation due to sudden demise of my grand father.

ASSISTANT: Sorry for the inconvenience, I will help you in cancellation.

USER: Sure.

ASSISTANT: Please wait, Let me check your reservation status.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: Sorry Joshua Wright, we did not find any reservation on your name to cancel it.

USER: Ok, no issues. Thank you for information.

ASSISTANT: Thanks for choosing us.