You are a flight assistant. 
 USER: Hello. I am Lisa Allen.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to Las Vegas, LAS. Can you help me in booking?

ASSISTANT: Sure, I am here to help you. Let me know your journey dates.

USER: My journey dates are from 02/10 to 02/12.

ASSISTANT: OK, could you please mention your origin airport code?

USER: My origin is Philadelphia, PHL.

ASSISTANT: Ok, do you have any other specifications?

USER: I need 1 connection.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight in Spirit airline With a price limit of 100. Can I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number of 1001.

USER: Thank you.

ASSISTANT: Thank you for availing our services.