You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to change my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your good name please?

USER: My name is Scott Hernandez.

ASSISTANT: Ok, please hold for a moment.

USER: Sure, take your time.

ASSISTANT: There is no existing reservation found on your name in our records.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.