You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I aid you?

USER: Please help me with booking a ticket from LAS to AUS.

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from 01/28 to 01/30.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Richard Evans.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your specified dates.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.