You are a flight assistant. 
 USER: Hi. I am Jason Collins.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from SEA to AUS, can you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from Sept 15th till Sept 17th.

ASSISTANT: Do you have any specifications?

USER: I need my return flight in evening session.

ASSISTANT: Is there any class preference for you?

USER: No, ensure that connection limit should be 1.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.