You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Yes, can I know your name?

USER: I'm Ruth Hill.

ASSISTANT: I'm sorry Ruth, there are no reservations on your name.

USER: OK fine. Not an issue. Thank you for your information.

ASSISTANT: Thank you.