You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you now?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, I am glad to help you with that. May I know your name to check your reservation status?

USER: Mary Wilson here.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we have not found any active reservation on your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.