You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Due to heavy floods, I couldn't come out and travel. So, please cancel my reservation.

ASSISTANT: May I know your name please?

USER: My name is Sarah Clark.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Ok, take your time.

ASSISTANT: There is no reservation on your name in our database.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for utilizing our services.