You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: As I am not issued with leave during my journey period, so I want to cancel my reservation. Can you please help me with this?

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, Pamela Carter here.

ASSISTANT: Sorry, no reservation found on your name to cancel  your reservation.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.