You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I need to have a round trip in Las Vegas city in the month of September for visiting a science exhibition held there. Can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you out. Please provide me your location airport codes.

USER: Thank you for reacting positively for my query, my airport code of source and destination code is same because I am going to have round trip it is LAS.

ASSISTANT: May I know your trip dates please to check the best flight in your route?

USER: Sure, my trip dates are 09/22 and 09/24.

ASSISTANT: Please provide me your name to proceed further?

USER: Sure, my name is Linda Campbell.

ASSISTANT: Here is a flight with 1 stop and price is 100 in UA airlines, can I proceed with it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with 1022 flight.

USER: Thank you for booking my flight ticket with the best airlines that is UA.

ASSISTANT: Thank you for reaching us.