You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am George Anderson.

ASSISTANT: How may I help you out?

USER: Please help me to cancel my recent reservation due to sudden demise of my great grand mother.

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Thank you.

ASSISTANT: Sorry, there are no reservations found.

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

ASSISTANT: Thank you for reaching us.