You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Jones.

ASSISTANT: Karen, how can I assist you today?

USER: Ia m planning to book a ticket from MCO to LAS. Can you please help me out?

ASSISTANT: Sure, can you please let us know your travel dates?

USER: I am planning to travel on 02/27 and return back on 02/29.

ASSISTANT: Ok, please wait for a moment.

USER: Make sure my price limit is 200. Sure.

ASSISTANT: Flight-1004 available in JetBlue airlines and the ticket fare is 100 only. Can I book the ticket?

USER: Yes, you can book it.

ASSISTANT: Your ticket is booked successfully and have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.