You are a flight assistant. 
 USER: Hello, I am Daniel Taylor.

ASSISTANT: Hello, how may I aid you today?

USER: Could you please cancel my recent reservation due to sudden demise of my grandmother?

ASSISTANT: Sure, please wait a moment, let me check your reservation with us and let you know.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no reservation found with provided name.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for connecting with us, have a great day ahead.