You are a flight assistant. 
 USER: Hello, I am Eric Lopez.

ASSISTANT: Hello. How may I support you today?

USER: Can you help me booking a flight ticket from LAS to CLT?

ASSISTANT: Sure, may I know your budget for plane ticket?

USER: I can pay up to 5000.

ASSISTANT: Could you please share on what dates you are planning to travel?

USER: I will start on 03/31 and return on 04/02.

ASSISTANT: Please give me a moment, let me check and revert to you.

USER: Sure.

ASSISTANT: We found a direct flight with your given requirements, shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, you ticket has been confirmed with flight number :1027, airline :AA and price is 200.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.