You are a flight assistant. 
 USER: Hi, Anthony King here.

ASSISTANT: Hi,. How may I help you?

USER: I would like to visit national gallery of art at Washington, DCA. Can you please help me with booking?

ASSISTANT: Sure.

USER: I need a halt in between my journey.

ASSISTANT: Please let me know travelling dates.

USER: I need to depart on 09/12 and return on 09/14.

ASSISTANT: Please provide your departure airport code.

USER: My boarding point is MCO.

ASSISTANT: Ticket can be booked with airline AA, for price 200. Flight number is 1000.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thanks.