You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you?

USER: I am Brenda Gonzalez. I am planning give a beer party to my friends at Washington, DCA.

ASSISTANT: Ok.

USER: Would you be my helping hand in booking my flight for a round trip?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know, how much you can afford for this journey?

USER: 1000 is the budget for my ticket.

ASSISTANT: Help me with your trip dates please.

USER: I will start on 10/19. I intend to return on 10/21.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight available with single connection and price 100. Flight number is 1013 in UA airline.

USER: You can proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for best service.

ASSISTANT: Thank you.