You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am planning cancel my reservation, can you help in cancelling my reservation?

ASSISTANT: Sure, may I know your name?

USER: I am Samuel Turner.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: On your request, I have successfully cancelled your reservation.

USER: Thank you.

ASSISTANT: Thank you for opting us.