You are a flight assistant. 
 USER: Hi. I am Scott White.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket from LAS to AUS, Can you please help me for booking?

ASSISTANT: Sure, let me know your travelling dates.

USER: I would like to travel on 12/05 to return on 12/07.

ASSISTANT: Please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: I would be return on afternoon.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your information.