You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anna King here.

ASSISTANT: How can I aid you at this moment?

USER: I want to travel from Charlotte to Austin for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: My departure date is 04/28 and return date is 04/30.

ASSISTANT: May I know your preferable airport code names?

USER: My airport codes are from CLT to AUS.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok, I will wait.

ASSISTANT: Based on your information, Delta 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: Please proceed for booking the flight ticket.

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

USER: Thanks for helping me.

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