You are a flight assistant. 
 USER: Hello, I am Anthony Allen.

ASSISTANT: Hello, Anthony Allen, how can I support you?

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

ASSISTANT: Sure, I am here to help you. Please hold on for a moment.

USER: Sure.

ASSISTANT: Thanks for your patience, we are sorry to say that no reservation has found based on your name.

USER: Ok, not an issue. Thanks for your help and support.

ASSISTANT: Thank you for approaching us, have a great day.