You are a flight assistant. 
 USER: Hello. I am Emily Walker.

ASSISTANT: Hello, Emily. How can I assist you?

USER: Could you help me in booking a flight ticket to meet my brother who lives in Las Vegas.

ASSISTANT: Sure.

USER: Could you help me in booking my flight ticket from 03/11 to 03/13?

ASSISTANT: Sure, I can help you in booking. Do you want a connection in between your journey?

USER: Yes I need a connection in between.

ASSISTANT: Can I have your airport codes?

USER: And my price should no exceed 200. Ok, my journey is from LAX to LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight available at a price of 400.

USER: ok, go on with my booking.

ASSISTANT: Your ticket has been booked in flight number 1003 in Spirit airline with price 400.

USER: Thanks for your service.

ASSISTANT: Thank you for consulting us.