You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to sell my house in SEA, so can you book a flight for me from ATL?

ASSISTANT: Sure, can I know the travel dates please?

USER: Ok, my travelling dates will be from 06/28 to 06/30.

ASSISTANT: May I know your name please to proceed further?

USER: Barbara Lee is my name.

ASSISTANT: Sorry Lee, there are no flights available on your dates.

USER: That's ok, no issues with it.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.