You are a flight assistant. 
 USER: Hello, myself Margaret Clark.

ASSISTANT: Hello, How may I aid you?

USER: I want to visit some places at Dallas & Fort Worth on my vacation holidays. Can you please give me assistance to book a flight ticket?

ASSISTANT: Sure, May I know your travelling details?

USER: Sure, my travelling dates are from 07/07 to 07/09.

ASSISTANT: Could you please provide the airport codes?

USER: Sure, my origin is from IL - ORD and destination to TX - DFW.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a direct flight available with Delta airline, flight number 1021 with price 100.

USER: Ok, you may proceed.

ASSISTANT: Your flight booking is confirmed.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.