You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: I want to book a flight ticket from LAS to IAD. Could you help me in booking?

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My travelling dates are from Sep 26 - 28.

ASSISTANT: May I know your name?

USER: Katherine Scott.

ASSISTANT: Do you have any other requirements?

USER: I prefer for economy class with single connection.

ASSISTANT: Is there any other preference?

USER: No.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: The Spirit airlines are providing a flight having a connection limit 1 and ticket fare of 100. Can I proceed with the ticket booking?

USER: Yes, please proceed.

ASSISTANT: I have reserved your ticket  in an economy class and the flight number 1017.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us. Have a safe journey.