You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Virginia Anderson.

ASSISTANT: Yes Anderson, what can I do for you.

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

ASSISTANT: Sure, I will help you. On which dates you want to travel?

USER: Sure, I would like to take off on 11/22 and return back from Las Vegas on 11/24.

ASSISTANT: Ok, give me a moment, I will search a best flight for you.

USER: Thank you, make sure that the price limit should not exceed 500.

ASSISTANT: As per your travelling dates, I found a flight-1000 with 1 connection and airline is AA.

USER: Ok, please proceed with booking.

ASSISTANT: Can I proceed?

USER: Yes.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.