You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I'm Justin Williams. I am planning for a round trip from SEA to SEA, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you with that. Can you please share your journey dates?

USER: Sure, I would like to take off on 12/24 and return back on 12/26. Please make sure that the connection limit is 0.

ASSISTANT: Sure. Please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to say that there is no flight found.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for containing us.

USER: You are welcome.