Hello,.
user
Hello, how may I support you?
assistant
I am Katherine Scott. Can you please make a reservation from Denver, DEN to Houston, HOU?
user
Sure, please let me know if you need a lay over with in your route.
assistant
Yes, I need a lay over in between journey.
user
On what dates you want me to book the ticket?
assistant
My journey dates are, depart on 03/27 and need to  catch return flight on 03/29.
user
Ok, please wait for a while.
assistant
Sure.
user
Thanks for waiting, currently there are no flights going on your way.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant