You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Hall here.

ASSISTANT: How may I assist you?

USER: Can you please help me in booking a flight ticket from LGA to IAD?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my travel dates are from July 31 to Aug 02.

ASSISTANT: How much you can afford for airfare?

USER: I would spend maximum 500 for my reservation.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: AA airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked with the flight-1006.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.