Hello, I am Charles Wilson.
user
Hello, how may I assist you?
assistant
I want to attend my former colleague's marriage in Orlando, MCO from Houston, IAH. Can you help me in booking? I need single connection.
user
Sure, Please provide me your travel dates.
assistant
My travel dates on 09/16 to 09/18. Price should be under 500.
user
There is a flight  in Southwest airline with your requirement, shall I proceed for booking?
assistant
Ok, please proceed.
user
Your ticket is confirmed, flight number is 1012, price 100 in single connection.
assistant
Thank you for booking my ticket.
user
Thank you for reaching us.
assistant