You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Walker.

ASSISTANT: In which way I can aid you today?

USER: I want to cancel my recent reservation due to sudden demise of my grand father. Can you please help me with this?

ASSISTANT: Sure. I will aid you with that. Please wait a moment, I will check your previous reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.