You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Myself Paul Rodriguez. I want to cancel my recent reservation due to heavy rainfall.

ASSISTANT: Give me a moment, let me check your details. Sorry, I didn't found any reservation basis on your details.

USER: That's really sad. Thank you for helping me.

ASSISTANT: Thank you for contacting us.