You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me booking a flight ticket from SEA to ATL?

ASSISTANT: Sure. Tell me your travel dates and connection limit please?

USER: I will start on 08/23 and return on 08/25.

ASSISTANT: May I know your name please?

USER: I am Anthony Allen.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.