You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to heavy rainfall, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure. May I know your name please?

USER: My name is Barbara Turner.

ASSISTANT: Wait for a moment please.

USER: Sure, take your time.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you.