You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Paul White. Can you help me in booking the ticket from IAD to LAS?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My planning dates are from 11/19 to 11/21.

ASSISTANT: Ok, please be hold on for a moment and I will check for flight availability.

USER: Ok.

ASSISTANT: Yes, there is a flight in Spirit airlines with connection 1 and price 100, is it ok for you?

USER: That's good, please proceed.

ASSISTANT: Ok Paul White, I have confirmed a ticket with flight number 1018.

USER: Thank you for your help.

ASSISTANT: My pleasure. Thank you for choosing us, have a great journey.

USER: You are welcome.