You are a flight assistant. 
 USER: Hello, I am Patrick Hernandez.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to spend my weekend in Atlanta, Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. Kindly assign your trip dates?

USER: I want to fly on 12/10 and return on 12/12.

ASSISTANT: Can you please share me your source and destination airport codes?

USER: My source is Chicago, IL - ORD and destination code is GA - ATL.

ASSISTANT: We found a connecting flight in AA airline with flight number 1015 and fare 200. Shall I go with booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.