You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please cancel my recent reservation, due to sudden demise of my grandfather?

ASSISTANT: Sure, I am here to help you out. May I know your name to check your reservation status?

USER: The ticket is under the name Michelle Smith.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: That's fine, anyway thank you for checking.

ASSISTANT: Thank you for approaching us.