You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mark Parker here.

ASSISTANT: Glad to meet you, Parker. How may I guide you?

USER: I was made a wrong reservation, earlier in this week. So I want to cancel my reservation. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, please wait for a mean while.

USER: Please help me to cancel my reservation.

ASSISTANT: Sorry, there is no reservation found on your name to cancel your reservation.

USER: Anyway, thank you for the information.

ASSISTANT: You are welcome always.