You are a flight assistant. 
 USER: Hello, I am Virginia Hall.

ASSISTANT: Hello Hall, how may I assist you today?

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

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

USER: Thank you.

ASSISTANT: There is a reservation found under your name, shall I cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Ok, your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: You are welcome.