You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Unfortunately, I would like to cancel my reservation which is done recently, can you please help me in this condition?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please may I know your name?

USER: Sure, my name is Stephen Robinson.

ASSISTANT: As per your request, the reservation on your name is cancelled.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.