You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Thomas Lewis. I am a critic and I am been invited to a famous hotel in Chicago. Can you book a flight ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Yes, my source airport code is BOS and destination airport code is ORD.

ASSISTANT: Can you please share your preferable dates to travel?

USER: Sure, I want to start my journey on 09/26 and return date is 09/28.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 1 connecting flight. Shall I proceed to book the ticket?

USER: That is perfect, please proceed.

ASSISTANT: Your ticket is booked with flight 1005.

USER: Thank you for booking the flight.

ASSISTANT: You are most welcome.