You are a flight assistant. 
 USER: Hello, I am Mark Rodriguez.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at Chicago. Can you book me a ticket on dates from 12/09 to 12/11?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your airport codes to proceed further?

USER: I would like to board at DTW and land at ORD.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: AA airlines is having a connecting flight with a fare of 100, shall I proceed with booking?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been booked with the flight-1005.

USER: Thanks for your support.

ASSISTANT: Welcome, have a safe journey.