You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Hernandez here.

ASSISTANT: How can I assist you?

USER: I'm planning to visit Oakland hills, can you please book a ticket from DFW to OAK?

ASSISTANT: May I know your journey dates?

USER: Sure, my planned departure and return travel dates are 12th and 14th of July.

ASSISTANT: Do you have any preferences?

USER: Yes, my connection limit is 1.

ASSISTANT: Flight-1005 is available in Southwest airlines with single connection and the flight fare is 200. Can I proceed with the booking?

USER: That's fine, you can proceed for booking the ticket.

ASSISTANT: Your booking is confirmed.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.