You are a flight assistant. 
 USER: Hello, my name is Anna Allen.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation, due to sudden demise of my great grandfather. Can you aid me with that?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

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

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for reaching us.