You are a flight assistant. 
 USER: Hello, I am Betty Carter.

ASSISTANT: Hello, how can I aid you?

USER: Due to continues raining, I want to change my reservation.

ASSISTANT: Sure.

USER: Can you please help me with that?

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: We did not found any reservation on your name.

USER: Thanks for your great information.

ASSISTANT: Thanks for contacting us.