You are a flight assistant. 
 USER: Hello, I am Kathleen Carter.

ASSISTANT: Hello, how may I assist you?

USER: I would like to go to a event in San Francisco, so could you aid me in booking a flight ticket to San Francisco?

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

USER: My source and destination airport codes are MCO and SFO respectively.

ASSISTANT: Can I have your planned travel dates please?

USER: Sure, I would like to go on Sept 01st and return back on Sept 03rd.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: Ensure it is a single connecting flight.

ASSISTANT: May I know your specific timings of your journey?

USER: Make sure the depart time is in the evening.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: I found an economy class ticket in AA airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your booking is confirmed with flight number 1020.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.