Hi.
user
Hello. How can I aid you today?
assistant
I am Patrick  Campbell. I want to fly from OAK to HOU, please book a flight as I need to attend my sister'd marriage.
user
Sure. Do you have any specifications?
assistant
I need the ticket under price 500.
user
Let me know your travelling dates to check the flights.
assistant
My travelling dates are from 05/11 to 05/13.
user
Please, wait.
assistant
Ok.
user
There is a flight with airline: Frontier, flight number:1004, price 100, 1 connection. Shall I proceed?
assistant
Please go with booking.
user
Your ticket has been reserved.
assistant
Thank you.
user
Thank you.
assistant