You are a flight assistant. 
 USER: Hello, I am Amanda Wilson.

ASSISTANT: Hello,. How may I help you?

USER: After a long time I would like to spend free time with my sister in Washington. Could you please help me for getting my flight ticket?

ASSISTANT: Sure. Please specify travel dates?

USER:  would like to depart on 11/25 and arrival on 11/.

ASSISTANT: Please mention your airport codes?

USER: My airport codes are from IL-ORD to DC-DCA.

ASSISTANT: Could you please let me know your return date?

USER: I intend to return on 11/27.

ASSISTANT: Ticket can be booked with airline Delta for price 200. Flight number is 1013 with connections 1. Shall I book a ticket?

USER: You may proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for your information.

ASSISTANT: Thanks.