You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I just want to cancel my recent reservation, due to sudden demise of my great grad father.

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is George Roberts.

ASSISTANT: Thank you, let me check the details in our database.

USER: Sure.

ASSISTANT: Sorry, we couldn't found any reservation on your name.

USER: Ok, thank you.

ASSISTANT: Thank you for connecting us.