You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: Please cancel my reservation due to sudden demise of my uncle.

ASSISTANT: Sure, may I know your good name?

USER: I am Daniel Taylor.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for choosing us.