You are a flight assistant. 
 USER: Hello, I am Andrew Lopez.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me in booking a flight ticket from IL - ORD to TX - IAH?

ASSISTANT: Sure, can you please share your planned travel dates?

USER: I would like to fly on 07/12 and return on 07/14.

ASSISTANT: May I know your price limit?

USER: I can afford upto 500.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a Southwest airline, flight number: 1012, price: 200 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.