You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to sudden postpone of my football match. Can you help me in doing that?

ASSISTANT: Sure, may I know your good name?

USER: I am  Sandra Nelson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation on your good name. It has been cancelled successfully.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.