You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Deborah Miller. I would like to change my reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no flight available for you.

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

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