You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I am Michelle Miller and I would like to book a flight ticket.

ASSISTANT: OK, Can you please provide your journey details?

USER: I want to fly from Chicago on 11/05 to Dallas& Fort Wroth on 11/07.

ASSISTANT: May I know your airport codes?

USER: Sure, my origin airport IL-ORD and destination airport TX-DFW.

ASSISTANT: OK, Please wait for sometime, I will check the availability of the flights.

USER: OK, take your time.

ASSISTANT: Thanks for waiting, I found a flight with your given details.

USER: OK, Can you please provide the flight details.

ASSISTANT: The flight details are flight number: 1003, airline: UA, price: 300. Shall I proceed to booking?

USER: Yes, you can proceed with this airline.

ASSISTANT: OK, Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.