You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: As my manager did not approve my leave, I would like to cancel my recent reservation.

ASSISTANT: Sure, I will be helping you with the cancellation.

USER: Thank you.

ASSISTANT: May I know your name.

USER: Donna Martin.

ASSISTANT: Please wait a moment, let me check with your details.

USER: Ok.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching our service.