You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you please assist me to cancel my reservation?

ASSISTANT: Sure, I will help you with that. May I know your name for further process?

USER: My name is Gary Johnson.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I have found your reservation and cancelled successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome Gary Johnson.