You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of help are you expecting from me?

USER: I would like to cancel my recent reservation, please help me out.

ASSISTANT: Sure, I will assist you. May I know your name please?

USER: My name is Jonathan Lewis.

ASSISTANT: Ok, your reservation is cancelled successfully.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for choosing our service.