You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Sarah Lopez. My business meeting has been preponed,So I would like to cancel my recent reservation.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Can you please help me? .Ok.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.