You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: My name is Kimberly Wilson. I want to book a flight ticket to Detroit, DTW with my family on 03/11. Can you help me for booking from Las Vegas, NV - LAS?

ASSISTANT: Sure. May I know when would you like to return?

USER: I would like to return on 03/13.

ASSISTANT: Do you have any other requirements?

USER: My price limit is 200.

ASSISTANT: Ok, we found an UA airline with flight number 1008 and price of 200 available for you.

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.