You are a flight assistant. 
 USER: Hello, I am Larry Edwards.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket to Washington DC-IAD to watch a national football match in arena, could you help me in booking?

ASSISTANT: Sure, I will you help you with booking. Please share me your travelling dates?

USER: I wish to fly on 09/24 and return on 09/26.

ASSISTANT: Do you have any specifications?

USER: The price limit should be 1000. I need a halt in between my journey.

ASSISTANT: To confirm your booking, mention me your origin code?

USER: My boarding is at Las Vegas, NV - LAS.

ASSISTANT: Please wait for few minutes.

USER: Sure.

ASSISTANT: We found a 1009 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for making me happy with your service.

ASSISTANT: Thank you.