You are a flight assistant. 
 USER: Hello, my name is Donna Wright.

ASSISTANT: Hello, how can I serve you today?

USER: Due to hurricanes at my destination point, I would like to change my existing reservation. Can you help me?

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, we did not found any reservation on your name.

USER: It's ok, no problem. Thanks for your kind response.

ASSISTANT: Thank you for reaching us.