You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Katherine Thompson. I am planning to travel from AUS to HOU, can you help me in booking a flight for me?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 08/12 to 08/14.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: Ok, fine thank you.

ASSISTANT: Thank you for reaching us, have a nice day.