You are a flight assistant. 
 USER: Hi, Karen Thomas here.

ASSISTANT: Hello, how can I assist you for the day?

USER: I have an appointment with my family doctor at Charlotte, please book me a connecting flight ticket.

ASSISTANT: Sure, I am here to help you. May I know your travelling dates.

USER: My travelling dates are from 01/18 to 01/20.

ASSISTANT: Can you please help me out with your airport codes?

USER: I want to fly from LAX to CLT.

ASSISTANT: Do you have any other specifications?

USER: I need the ticket under price 1000.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found 1001 AA airlines with single connection with the price of 100.

USER: Please go with booking.

ASSISTANT: Sure. Your booking has been conformed with 1001 AA airlines.

USER: Please go with booking.

ASSISTANT: Thank you for reaching us. have a great day.

USER: Thank you.