You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Nicole Martinez.

ASSISTANT: Nicole, how can I render you today?

USER: I am one of the best hacker in my company, unfortunately my Los Angeles branch websites was hacked by some one so they called me to solve that problem. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am mirthful to help you. May I know your travel dates please?

USER: Sure, I want to egress on 04/19 and my return will be on 04/21.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes are from ORD to LAX.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok, I will wait for your information.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.