You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Betty Lopez.

ASSISTANT: How can I aid you today?

USER: I am planning to attend music concert at Charlotte, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with this. Can you please provide your travelling dates?

USER: Sure, I would like to take off on 12/29 and return back on 12/31.

ASSISTANT: May I know your nearest airport codes of travelling?

USER: My source airport code is BOS and the destination airport code is CLT.

ASSISTANT: Give me a moment please.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: UA airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Yes, please proceed with the booking.

ASSISTANT: Betty Lopez, your ticket is booked with flight number 1002.

USER: Thank you for your assistance.

ASSISTANT: Thank you, have a safe journey.

USER: You are welcome.