You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how I can Help you today?

USER: I am John Hernandez. Could you please help me in flight ticket booking process from AUS to SEA?

ASSISTANT: Sure, please share your travel dates?

USER: Thank you for your response, I want to take off on Dec 02 and book my return ticket also on Dec 04.

ASSISTANT: Do you have any connection limit?

USER: I want a direct flight.

ASSISTANT: May I know your planned travel timings?

USER: I would like to return in morning time.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait. Sorry, no flights are available in this route as per your requested dates.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.