You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Shirley Edwards, My plan to visit my father has been cancel, please help me to cancel my ticket.

ASSISTANT: Sure, please wait for a while, let me check your reservation and revert to you.

USER: Ok.

ASSISTANT: Sorry, unfortunately no reservation found with provided name.

USER: Thank you for the information.

ASSISTANT: Thanks for opting us, have a nice day.