You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Carolyn Parker. I want to book a change my reservation due to heavy rainfall at my place. Can you help me?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: I will check the reservation data list, so please wait a moment.

USER: Sure.

ASSISTANT: Carolyn Parker, There is no active reservation on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you.