You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha White here.

ASSISTANT: How  can I help you?

USER: Due to land slides at my visiting location, I want to quit my trip. Can you please cancel my recent reservation?

ASSISTANT: Sure, just a moment please. I am sorry no reservation found on your name.

USER: Sure, I'll wait for your response. That's ok, may be my friend has cancelled it already. Thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.