You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I would like to travel from ORD to ORD on a round trip. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your preferable travel dates?

USER: I am planning to travel on dates 11/12 and 11/14.

ASSISTANT: Can I know your name to proceed further?

USER: My name is Kathleen Williams.

ASSISTANT: Kathleen, there is a flight available with AA airline and the price 200. Shall I proceed to book a flight ticket?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1008 flight number.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for choosing us.