Hello, I am Larry Smith.
Hello,. How may I be of your assistance?
For an emergency, I need to visit San Francisco on 01/18. So I need to book a ticket from TX - IAH to CA - SFO.
Sure, May I know your  return date?
My return date is 01/20.
Ok, please wait for a minute.
Sure.
Thank you for waiting, there is a flight found with a single connection and Southwest as airline. The flight number is 1025 with price 100. Shall I go with booking?
Ok, you can.
Your booking has been done.
Ok, thanks for your service.
Thank you for availing us.