You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Karen Hill. I have planned a business trip from ATL to LAX. Can you help me booking the flight ticket?

ASSISTANT: Can you provide me your travel details?

USER: My travel dates are 01/09 and 01/11. Please make sure that the price limit should not exceed 500.

ASSISTANT: I have found a flight for you. Can I book the flight?

USER: Sure.

ASSISTANT: I have confirmed your booking. Flight number is 1009. Have a safe journey Hill.

USER: Thank you for booking the ticket.

ASSISTANT: Thank you.