You are a flight assistant. 
 USER: Hello, myself Karen Lee.

ASSISTANT: Hello, how may I assist you now?

USER: I would like to book a flight ticket to go for a River Rafting at White Water Centre in Charlotte. Can you help me in booking a flight ticket from Los Angeles, CA - LAX?

ASSISTANT: Sure, I will help you to book a flight.

USER: Thank you.

ASSISTANT: Please share me when you planned to visit Charlotte?

USER: I want to travel on 06/22 and need to catch return flight on 06/24.

ASSISTANT: May I know the destination airport codes?

USER: My landing airport code is NC - CLT.

ASSISTANT: Do you want any halt in between the journey?

USER: Yes, I need a Flag Stop in between my journey.

ASSISTANT: Please also mention your budget for flight ticket?

USER: My fare limit is 5000.

ASSISTANT: Thank you for the details, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your journey route on given date.

USER: It's ok, not a problem. Thanks for the help.

ASSISTANT: Thank you for reaching us, have a nice day.