You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please avail me a flight ticket from SEA to DCA?

ASSISTANT: Sure, let me know your travel dates please?

USER: My trip dates are 09/15 - 09/17.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you need any other preference?

USER: My return time should be in the afternoon.

ASSISTANT: Can I know your name please?

USER: Benjamin Scott here.

ASSISTANT: Sorry to inform you that there are no flight services available on your given details.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us.