You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to attend a meeting in LAS, can you help me in doing a reservation from AUS?

ASSISTANT: Sure, I am here to help you. Please let me know your travelling dates.

USER: My trip dates are Oct 17 to 19.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer to travel in connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Paul White.

ASSISTANT: Sorry, no flights are available on your journey dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.