You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I help you now?

USER: Can you please help me in booking a flight ticket from ORD to DCA?

ASSISTANT: Sure, I am happy to help you. Please, share me your travel dates.

USER: Sure, my travel dates are from Apr 15 to Apr 17.

ASSISTANT: Do you have limit on connections?

USER: I prefer connecting flight for my journey.

ASSISTANT: Ok, let me know your other specifications if any.

USER: No, I don't have any other requirements.

ASSISTANT: Please, forward me your name for documentation purpose.

USER: Myself Steven Hill.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: American Airlines is providing you the connecting flight in economy class, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved with flight 1011 and with a price of 100.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a great day.