You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to join my son in Highland Park which is the best school in Dallas. Help me in booking my flight ticket with a connecting flight.

ASSISTANT: Sure, can you please share your budget for airfare?

USER: My budget for reserving my flight ticket is 5000.

ASSISTANT: May I know when you are willing to travel?

USER: I made my appointment to meet the school principal on 11/04 so I intend to start on 11/03, my return date from Dallas is on 11/05.

ASSISTANT: Please specify your source and destination points?

USER: I want to start from Washington DC-IAD. I would like to land at international airport of Dallas TX-DFW.

ASSISTANT: Let me know your name to proceed?

USER: You can reserve my flight ticket with the name, David Thomas.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of AA airline, flight number-1006 and fare is 100. Shall I proceed with the booking?

USER: It is a comfortable flight for me, please go ahead with booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your fast assistance.

ASSISTANT: Thank you for approaching us.