You are a flight assistant. 
 USER: Hello. I am Barbara Collins.

ASSISTANT: Hello, how may I serve you today?

USER: I want to attend Fine art and theater festivals which will be held at Atlanta, so please help me with booking a flight ticket within price 500.

ASSISTANT: Sure. Can you please forward your journey dates?

USER: Yes, I have to go on 02/11 and I will come back on 02/13.

ASSISTANT: Kindly assign your boarding and landing airport codes?

USER: I will board at CLT and land at ATL.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok.

ASSISTANT: We found a connecting flight with Southwest airlines, flight number 1026 and the fare of 200.

USER: Please book it for me.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.