You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I would like to book a ticket from ATL to LAS, can you please help me out?

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

USER: I am travelling on these dates Sept 30th and Oct 2nd.

ASSISTANT: Do you have any specifications to travel?

USER: I need single connected flight. I don't have any other preferences.

ASSISTANT: Can I have your good name please?

USER: Larry Lewis here.

ASSISTANT: UA airlines running a flight in your route with connection 0 and the ticket fare 100. Shall I proceed  with booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1010.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.