You are a flight assistant. 
 USER: Hello, I'm Anna Lee.

ASSISTANT: Hello. Welcome to Active Travel Agency. How can I help you?

USER: I would like to go to cooler destination in Las Vegas, so could you please reserve a flight which is going through LAS?

ASSISTANT: Sure, if you book a ticket simultaneously departure and the return ticket there is a discount offer because we are celebrating an anniversary.

USER: Oh! that's good to hear, my source airport code is BOS.

ASSISTANT: When would you like to travel?

USER: My travelling dates are 08/23 and return back on 08/25.

ASSISTANT: It's a offer time, so the ticket price is just 200. Are you ok with 1 connection of flight?

USER: Yes, please proceed for booking.

ASSISTANT: Sure. Your reservation is confirmed with flight 1003 and it is Hawaiian airlines.

USER: Great! It was very helpful. Thanks!.

ASSISTANT: I hope you will enjoy the trip. Thank you and have a nice day.