You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your travel dates please?

USER: Sure, my planned travel dates are June 23 and June 25 respectively.

ASSISTANT: Do you have any connection preferences?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: Myself David Williams.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Delta Airlines is providing the connecting flight on this route and the fare of 200.

USER: Please proceed.

ASSISTANT: Your reservation is confirmed with flight 1027.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.