You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself John Moore.

ASSISTANT: How can I serve you today?

USER: I am planning to visit a trip in Washington DC- DCA with my family members. Will you please help me in booking a flight ticket from AUS?

ASSISTANT: Sure, we are euphoric to help you. What price would you like to put on flight ticket?

USER: My price limit should be 500.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I would like to start my journey on 11/05 and return back to my home town on 11/07.

ASSISTANT: Please let me know if you need a connecting flight in between your journey routes.

USER: Yes, I need a flight with single connection.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines is providing a service for you with single connection and price 200. Shall I book the ticket?

USER: Sure, you can proceed with that flight ticket booking.

ASSISTANT: Your ticket has been reserved with the flight number-1025.

USER: Thank you for your help in booking my ticket in UA airline.

ASSISTANT: It's pleasure to serve you in booking.