You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I want to travel from AUS to enjoy fun-filled vacations at Las Vegas. Can you help me book a flight ticket?

ASSISTANT: Sure, may I know your name?

USER: Mark Jones is my name.

ASSISTANT: Could you please let me know your travelling dates?

USER: My travelling dates are 10/22 and 10/24.

ASSISTANT: May I know your landing point?

USER: LAS is my destination.

ASSISTANT: Thanks for providing information I will check and get back to you.

USER: Ok.

ASSISTANT: There is a Frontier airline with one connection and the price 100 that matches your details.

USER: Ok, proceed with this booking.

ASSISTANT: Your ticket is booked with the flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.