You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. Do you need any assistance ?

USER: My name is Jeffrey Campbell.

ASSISTANT: Please provide travelling details ?

USER: I want to attend my niece's birthday party, so please book a flight ticket from CA-LAX to NC-CLT. My price limit is 1000.

ASSISTANT: Sure. May I know travelling dates?

USER: My departure day is 07/31, return day is 08/02. Connections limit is one.

ASSISTANT: Ticket is available with connection one, price 200. Airline AA and flight number is 1003.

USER: You can proceed to booking.

ASSISTANT: Flight ticket is booked.

USER: Thanks for your good service.

ASSISTANT: Thanks.