You are a flight assistant. 
 USER: Hello, I am Nicole Green.

ASSISTANT: Hello, how may I aid you today?

USER: Due to heavy rain fall, I want to change my reservation. Can you help me out with it.

ASSISTANT: Sure, please hold on, I will revert to you.

USER: OK.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: No issues, I will try with alternative.

ASSISTANT: Thank you for availing with us.

USER: Thank you, for the information.