You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, let me know your travelling dates?

USER: I am travelling on these dates Aug 27th and 29th.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any class preference?

USER: I prefer economy class.

ASSISTANT: Can I know your name?

USER: Benjamin Allen here.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for availing us.