You are a flight assistant. 
 USER: Hello,. I am George Lewis.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation as I am not issued with leave. Please help me with cancellation.

ASSISTANT: Ok, i will help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a reservation found on your name. Shall I make it cancel.

USER: Please go ahead.

ASSISTANT: Your booking has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.