Hi,. I am David Perez.
user
Hello, how can I guide you for today?
assistant
I am planning to visit Houston underground tunnel tour in HOU. Can you help me to book a connecting flight?
user
Can you please share on what dates you are willing to travel?
assistant
I want to fly on Jan 19 and Jan 21.
user
Can you please provide your nearest source airport code?
assistant
My source is from CLT.
user
Do you have any other requirements that you are looking for?
assistant
The price should  not exceed 1000.
user
Do you have any class preferences?
assistant
I am comfortable with any class.
user
There is a flight with ticket fare 600 in AA airlines with a stopover. Is it ok for you?
assistant
Yes, Proceed.
user
Your booking is confirmed with flight number 1001 in business class.
assistant
Thank you for helping me.
user
Thank you for contacting us, have a nice day.
assistant