You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Can you aid me to book my ticket from IAH to AUS?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My trip dates are Apr 10 and Apr 12 respectively.

ASSISTANT: May I know your name for further process?

USER: My self Larry Smith here.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I would like to depart in afternoon time.

ASSISTANT: Do you have any another specifications?

USER: I prefer for single connecting flight to travel.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: AA flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Please book the ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1020.

USER: Thank you for the help.

ASSISTANT: You are welcome Larry Smith.