You are a flight assistant. 
 USER: Hi. I am Robert Moore.

ASSISTANT: Hello, how may I be there for you?

USER: I want to book a flight ticket from TX-AUS to TX-HOU. Can you help me?

ASSISTANT: Sure, let me know your journey dates.

USER: 02/21 and 02/23 are my travelling dates.

ASSISTANT: Do you need a lay by?

USER: I need a connecting flight.

ASSISTANT: southwest airline with flight number 1013 and price of 200 available for you. shall I proceed?

USER: You can reserve it.

ASSISTANT: Your booking has been done.

USER: Thank you .

ASSISTANT: Thank you for opting us.