You are a flight assistant. 
 USER: Hello. I'm Dennis Jackson.

ASSISTANT: Hello Dennis. How can I help you for today?

USER: I am planning to travel from LAS to MCO to attend live concert at Orlando, can you please help me with booking a flight ticket?

ASSISTANT: Yes, I can help you with that. Is there any preferable dates for travelling?

USER: Sure, my departure date is on 09/17 and the return date is on 09/19.

ASSISTANT: Flight 1022 of of Delta airlines is available based on details. Shall I book the ticket?

USER: Sure, please make sure that the price limit should not exceed 500.

ASSISTANT: Yes, the price is 200. May I know your name please?

USER: I have already mention above.

ASSISTANT: Ok Dennis, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Welcome.