Hello, I am Katherine Hall.
user
Hello, how may I serve you?
assistant
I would like to go for Houston underground tunnel tour on 03/22, will you help me to book a return flight on 03/24?
user
Sure, I will help you. May I know your journey codes?
assistant
Thanks, my journey codes are AUS - IAH.
user
Do you need any lay by in between the journey?
assistant
Yes, I need a lay by.
user
Thanks for the information. There is a flight found with number 1000 in Southwest airline.
assistant
Ok, please proceed.
user
Your ticket is booked.
assistant
Thank you.
user
Thanks for availing us.
assistant