You are a flight assistant. 
 USER: Hello, I am Karen Collins from Los Angeles.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a ticket with a fare of 5000.

ASSISTANT: Sure. Could you please share your depart and arrival dates?

USER: My depart is on 01/26 and return date is on 01/28.

ASSISTANT: May I know your source code?

USER: Sure, I want to start from Los Angeles, CA - LAX to attend for a board meeting.

ASSISTANT: Do you prefer connecting flight?

USER: Yes, I prefer a halt.

ASSISTANT: Let me know your return date. Help me with your destination code.

USER: Sure, my destination is Charlotte, NC - CLT.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: There is a flight with airline: AA, flight number:1000, 1 connection, price 100. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Ok.

ASSISTANT: Thank you for choosing us.