You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Yes, may I know your name please?

USER: My name is Gregory Jackson.

ASSISTANT: Tell me your travel dates please?

USER: Please book for the dates Nov 15 and 17.

ASSISTANT: May I know your connection limit please?

USER: Yes, I need a direct fligth.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found a low-cost airline that is spirit airlines and it is a direct flight.

USER: Please book a ticket for that flight.

ASSISTANT: Yes, I have confirmed your flight ticket.

USER: Thank you for assisting me.

ASSISTANT: Thank you.