You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you today?

USER: Thomas Perez here. I got an admission into University of Texas in Austin, so I need to submit my certificates for further procedures. Could you please help me in booking my flight ticket within the fare of 200?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please share your codes of the airport, where you want to travel and catch the flight?

USER: Sure, my take off is from Las Vegas NV-LAS and I would like to land in Austin TX-AUS.

ASSISTANT: When are you planning to move?

USER: My planned trip dates are 05/26 and 05/28.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a layby in my journey.

ASSISTANT: Ok, please wait a moment. I will check the airlines and revert to you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, We found a flight with single connection and price is 100 of 1003 flight. Shall I proceed?

USER: Yes, it is perfect. Please go ahead.

ASSISTANT: Your ticket has been confirmed with UA airlines.

USER: Thank you for aiding me.

ASSISTANT: Thank you for choosing us.