You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Nancy Allen here.

ASSISTANT: How can I assist you?

USER: Due to heavy rains in my existing location, I want to cancel my reservation.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you spare a moment, so that I can check. Sorry, there is no reservation found under your name.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for checking.