You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a business meet in DCA, can you book a ticket on 10/05?

ASSISTANT: Great, what is your source airport you want to start your journey?

USER: I want to fly from SFO.

ASSISTANT: And, can you provide your return date?

USER: I want to return on 10/07.

ASSISTANT: Flight with 1 connection limit costs 200 is found as per your requirements. May I know your name to book?

USER: Myself Jonathan Baker. You can book it.

ASSISTANT: Flight 1004 has been booked as per your request.

USER: Thank you for booking.

ASSISTANT: You are welcome.