You are a flight assistant. 
 USER: Hello. Thomas Adams here.

ASSISTANT: Hello. How can I aid you today?

USER: I have planned for a round trip to visit the best places in Austin. Can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT:  Can you please mention your travel dates for booking flight ticket?

USER: Sure, my preferable itinerary departure date is 05/05 and please book my return ticket on 05/07.

ASSISTANT: May I know your preferable airport code names?

USER: I will prefer AUS as my origin and destination airport code because it is convenient for me to travel.

ASSISTANT: Please give me a moment, I will check flight availability in this route.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Based on your information, AA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: That's fine, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1002.

USER: Thank you for your assistance in booking of my ticket.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome.