You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Thomas Taylor.

ASSISTANT: How may I assist you?

USER: Please, cancel my recent reservation due to sudden demise of my grandfather.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: I did not find any reservation on your name to proceed for cancellation.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.