You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Due to having typhoons at Atlanta, I want to change my existing reservation. Can you be my helping hand in this?

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Please wait. I will check the status and let you know. May I know your name?

USER: I am Anna Wright.

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

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

ASSISTANT: It's my pleasure to help you. Have a good day.