You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please help me in booking a flight ticket from OAK to DCA.

ASSISTANT: Sure, please provide your trip dates.

USER: Mar, 6 and Mar, 8 are my trip dates.

ASSISTANT: Do you need any connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: No, thanks.

ASSISTANT: May I know your name?

USER: John Hernandez here.

ASSISTANT: Southwest Airlines is providing direct flight on this route with a ticket fare of 200 and flight departs at 8:00 hours and arrives at 17:00 hours, shall I book your ticket in this flight?

USER: Yes, please book.

ASSISTANT: Your ticket is confirmed in flight 1013.

USER: Thank you.

ASSISTANT: Thank you for choosing us.