You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Due to sudden demise of my cousin, can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to aid you.

USER: Thanks.

ASSISTANT: May I know your name please?

USER: My name is John Roberts.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thanks for your patience, there was no reservation found on your name in our database.

USER: No worries at all, thank you.

ASSISTANT: Thank you for choosing us.