You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to cancel my reservation due to some issues, can you help me out regarding my concern?

ASSISTANT: Sure, may I know your good name please?

USER: Please check the reservation status on Mary Campbell.

ASSISTANT: Please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry Campbell, there is no reservation found as per your name in our database.

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

ASSISTANT: Thank you for reaching us with a query.