You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Paul Anderson here. I would like to book a ticket from AUS to LAS, can you please help me with that?

ASSISTANT: Sure, I am here to help you with that. Can I know your itinerary dates?

USER: The travel dates are from 11/12 to 11/14.

ASSISTANT: May I know your name?

USER: Paul Anderson here.

ASSISTANT: Do you have any other requirements?

USER: I would like to return during evening time.

ASSISTANT: Is there any other specifications?

USER: I need a flight with 1 connection limit.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.