You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from AUS to IAH, can you help me out?

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: My travel dates are from 11/23 till 11/25.

ASSISTANT: May I know your name to proceed further?

USER: Myself Susan Rodriguez.

ASSISTANT: Please allow me a moment to check for the availability of flight. Susan, I am sorry to inform you that there is no flight available at your request.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for contacting us.

USER: Welcome.