You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Catherine Carter.

ASSISTANT: How can I guide you at this moment?

USER: Can you please help me in booking a flight ticket from AUS to HOU locations?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: My travelling dates are from 10/11 and 10/13.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Catherine Carter, there are no flight services available on your requested dates on this route.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for contacting us.