You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Janet Davis.

ASSISTANT: Davis, how can I help you?

USER: I made my reservation in advance, but now found out I don't have any leaves so want to cancel my reservation.Please help me to cancel it.

ASSISTANT: Davis, I am willing to help you for this. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Davis sorry for inconvenience, no reservation is found on your name in our records.

USER: No issue. Thank you.

ASSISTANT: Thank you Davis for utilizing our agency.