You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I am Kimberly Parker. 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: Sure Kimberly Parker, I am ready to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Ok.

ASSISTANT: Sorry Kimberly Parker, no reservation has found under your name to cancel.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for choosing us, have a good day.