You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you at this moment?

USER: I am planning a trip to meet my best friend who lives in San Francisco, CA - SFO. Can you please book a ticket for me?

ASSISTANT: Sure, let me know your trip dates?

USER: My trip begins on 12/12 and will finish on 12/14.

ASSISTANT: May I know your source code?

USER: I will start from Chicago, IL - ORD.

ASSISTANT: Do you have any connection limit?

USER: I am fine with a connection.

ASSISTANT: We found a AA airline with flight number 1029 and fare 100. Shall I confirm it?

USER: Please confirm this flight.

ASSISTANT: May I know your good name?

USER: Sure, my name is Margret Gonzalez.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.