You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to cancel my reservation, can you help me out?

ASSISTANT: Sure, I am here to help you. May I know your name please to check your reservation status?

USER: I am Katherine Adams.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Katherine Adams, no reservation has been found on your name in our database.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for approaching us.