You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Clark.

ASSISTANT: How can I assist you today?

USER: I want to cancel my reservation, due to the heavy rainfall from a couple of days. Can you please help me in that?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure.

ASSISTANT: George Clark, there is no reservation found under your name.

USER: That's not a problem. Thanks for your information.

ASSISTANT: You are welcome. Thank you for contacting us.