You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for the day?

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

ASSISTANT: Sure, I am mirthful to help you with that. May I know your name please?

USER: Thank you. My name is Angela Robinson.

ASSISTANT: Please wait for a moment, let me check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. There is no reservation found on your name in our database to change it.

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

ASSISTANT: Thank you for reaching us, have a great day.