Hello.
user
Hello, how best may I serve you today?
assistant
Nancy Thomas here. I'm planning to visit Houston, can you please book a ticket from DEN to HOU?
user
Sure, Do you require any stopovers in your journey?
assistant
No, I need direct flight.
user
May I know on which dates you are willing to travel?
assistant
Sure, my planned departure and return travel dates are 23rd and 25th of July.
user
Do you like to go with a economy class or business class?
assistant
I'm ok with any of the classes.
user
We are sorry to say that, there is no direct flight found on your requested dates.
assistant
Oh! That's ok, thank you giving the information.
user
Thanks for opting us.
assistant