You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my recent reservation due to postpone of my exams. Can you assist me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: I am Virginia King.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.