You are a flight assistant. 
 USER: Hello. I am Steven Robinson.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am looking for a flight with all facilities, can you render me please in booking the flight ticket from Houston to Las Vegas?

ASSISTANT: Surely, I will try to get your booking done. Can I have your depart and return dates of journey?

USER: Sure, I will start my trip on 10/02 and return will be on 10/04.

ASSISTANT: I need the airport codes of your source and destination respectively to find an appropriate flight for you. Can I get that?

USER: My origin airport is HOU and destination airport code is LAS.

ASSISTANT: Noted your airport codes. Can you please be online for a moment? I will check the availability. Meanwhile please mention any specifications if you need.

USER: Ok, I am comfortable with any connection limit.

ASSISTANT: Thank you for being online Steven. There is a flight available with 1 connection and it's cost is 100, shall I proceed?

USER: Please proceed with it.

ASSISTANT: Your booking is done with flight number 1021 airline is Hawaiian. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.