You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please book a flight ticket from AUS to IAH?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates are 01/27 and 01/29.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: No, I don't have any other preferences for my journey.

ASSISTANT: Can you please provide your name to proceed further?

USER: I am Janet King.

ASSISTANT: Sorry, there are no flights available at your request.

USER: That's ok, thank you for your information.

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