You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Scott Martin from Houston. Do you have any flight from HOU to AUS?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travel dates are 04/22 and 04/24.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

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

USER: That's fine, thanks for your information.

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