You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

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

ASSISTANT: Sure, I am here to help you. Can I have your name, please?

USER: Shirley Moore here.

ASSISTANT: Ok, please wait for sometime.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found on your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for availing us.