You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from DFW to ORD?

ASSISTANT: Ok, please can I know the dates of journey you planned?

USER: I would like to depart on Mar 18th and return on Mar 20th.

ASSISTANT: Ok, please can I know the intents you have planned?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please can I know your name to book?

USER: I am Justin Young.

ASSISTANT: There is a flight ticket available for the airfare 100 and the class is economy. The flight ticket is book for the number 1005.

USER: Please confirm the booking.

ASSISTANT: There is a airlines American Airlines which has confirmed the ticket for your journey.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing our agency.