You are a flight assistant. 
 USER: Hello,. I am jason Carter.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to Las Vegas, please help me out. I need a connecting flight.

ASSISTANT: Sure, may I know your airport codes?

USER: My source code is ATL and Destination code is LAS.

ASSISTANT: Can you please share me your travel dates?

USER: I want to fly from 08/03 to 08/05.

ASSISTANT: How much you can afford for this ticket?

USER: I need the ticket within price 500.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1000.

USER: Please go with booking.

ASSISTANT: Your ticket has been booked. Thank you.

USER: Thank you.