You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. I hope you are doing good today, how may I assist you?

USER: I am searching from last few days to book a flight ticket with low cost of 500.I heard your service is a best to book a flight ticket with low cost.

ASSISTANT: Thanks for your compliment, I will help you.

USER: Thank you for your positive response.

ASSISTANT: Where you want to travel?

USER: I want to travel Las Vegas, NV - LAS.

ASSISTANT: Ok, from where you want to book a ticket to Las Vegas.

USER: I want to book it from my home city New York, NY - LGA.

ASSISTANT: Sure, please may I know your departure date?

USER: I have planned my departure on 10/27.

ASSISTANT: If you want to return from Las Vegas, please share your return date?

USER: My return from LAS will be on 10/29.

ASSISTANT: Please wait a while, let me check.

USER: Ok, sure.

ASSISTANT: Flight-1001 with Spirit airlines is available, with connection limit 1 and fare is 200, is it ok for you?

USER: Sounds good it suits all my requirements.I am ok with this flight book it for me.

ASSISTANT: On whose name you want to book the ticket?

USER: Please, book it on the name of Barbara Moore.

ASSISTANT: Ticket is booked on the name Barbara Moore, flight number 1001.

USER: Thank you for your services.

ASSISTANT: Thanks for utilizing our services. Have a nice day.

USER: You are welcome.