You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I would like to cancel my recent reservation, can you please help me in cancellation?

ASSISTANT: Sure, May I know your name?

USER: Shirley Collins.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for availing us.