Hello,.
user
Hello, How can I assist you?
assistant
I am Thomas Robinson want to attend my daughter graduation day at Houston,TX-HOU on 11/22.
user
Sure, May I know the source and return date?
assistant
I will depart to Philadelphia,PA-PHL on 11/24.
user
There is a southwest airline which matches your details, flight number : 1006, Price : 100. Shall I proceed with booking?
assistant
Ok, you can proceed.
user
Your ticket has been confirmed. Thank you for approaching us.
assistant