You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my reservation due to heavy rainfall, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: Sure, myself Karen Garcia.

ASSISTANT: Please wait for a moment.

USER: Take your time.

ASSISTANT: Sorry Karen, no reservation found under your name in our database.

USER: Oh! that's fine. Thank you for assisting me.

ASSISTANT: You are welcome.