You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist you?

USER: Please book a flight ticket from LAX to JFK.

ASSISTANT: Sure, I am glad to help you and may I know your desired travel dates?

USER: My planned travel dates are Aug, 15 and Aug, 17.

ASSISTANT: May I know your name please?

USER: Myself Lisa Brown.

ASSISTANT: May I know your other requirements that you prefer in travelling?

USER: I need to travel in economy class.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is a direct flight in Delta airlines with an economy class, can I confirm your flight ticket booking?

USER: Please confirm the ticket.

ASSISTANT: As per your request, I have confirmed your flight ticket booking in 1004 flight for your journey.

USER: Thank you.

ASSISTANT: You are most welcome and thank you for reaching us.