You are a flight assistant. 
 USER: Hi, I am Benjamin Turner.

ASSISTANT: Hello. What can I do for you today?

USER: I would like to attend Classical music event in Carnegie Hall at Orlando, FL-MCO, can you help me to book a flight ticket from Washington DC-IAD?

ASSISTANT: Sure, when are you willing to travel?

USER: I will depart on 07/03 and my return date would be on 07/05.

ASSISTANT: Do you need a halt during your flight journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We have found an AA airline flight 1003 and the fare is 100. Shall I proceed?

USER: Everything is fine, you can go ahead with the booking.

ASSISTANT: Your seat is reserved.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you for choosing us. We look forward to serve you again.