You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I serve you today?

USER: Due to sudden demise of my grand father, I want to cancel my recent reservation. Will you help me in that?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Can I have your name please for further proceedings?

USER: Sure, my name is Gary Evans.

ASSISTANT: Unfortunately we did not find any reservation on your given name.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.