You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Brenda Baker. I have a plan to visit Science Exhibition in Las Vegas, can you help me to book a plane under the price limit of 200?

ASSISTANT: Sure, may I know your preferred journey dates?

USER: My Preferred dates of journey is from 09/11 to 09/13.

ASSISTANT: Let me know your source and destination points for further process?

USER: I am heading from New York, NY - LGA. Destination airport code is NV - LAS.

ASSISTANT: Please, wait for a minute.

USER: Ok.

ASSISTANT: Thank you for your patience, We are glad to say, there is flight of UA airline with 100 fare. Flight number as 1016 and with single connection.

USER: I am perfect with UA airline, you can proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for your quick response.

ASSISTANT: Thank you for choosing us.