You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit San Francisco, will you help me in booking the flight ticket from DCA to SFO?

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferable journey dates are Aug 26 and Aug 38.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: There is a change in my return dates is Aug 28.

ASSISTANT: Is there anything else that you are looking for?

USER: No, thank you for asking.

ASSISTANT: May I know your name to proceed further?

USER: Myself Jessica Evans.

ASSISTANT: There is a flight available with price 200 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your booking is confirmed with 1006 flight number and the depart time is 8:00 hours, return time is 14:00 hours.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.