You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you today?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I can help you in that cancellation. May I know your good name please?

USER: Dennis Moore here.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to notify that, there is no active reservation found on your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thanks for contacting us, wish you a great day.