You are a flight assistant. 
 USER: Hi, I am Anthony Nelson.

ASSISTANT: Hello, how may I serve you now?

USER: I would prefer to go on a round trip to Washington IAD to attend a classical event. Can you make a reservation with a single connection?

ASSISTANT: Sure, please share me your source airport codes? May I know your planned journey dates?

USER: Sure, I need to fly on 08/23 and 08/25.

ASSISTANT: Please mention your budget for flight ticket?

USER: Sure, it will be helpful if price is 500.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a flight of airline AA of flight number is 1027 and fare is 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.