You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

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

ASSISTANT: Sure, We are here to assist you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Jessica Smith.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thanks for being waiting, We found a reservation by this name and it has been cancelled successfully.

USER: Thank you for cancelling my ticket.

ASSISTANT: Thank you for choosing us.