Hello.
user
Hello. How may I help you out?
assistant
I am planning to visit a Denver DEN to IAH. Can you make a reservation for me?
user
Sure, I will help you in booking the ticket. May I know your travelling dates please?
assistant
Ok, my itinerary dates are on Nov 20 and return on Nov 22.
user
Can I know your name please?
assistant
I am Dennis Miller.
user
Do you need any specifications?
assistant
I need a single connecting flight.
user
Can I know your other preferences?
assistant
No, thanks for asking.
user
Sorry, there are no flights found in our database.
assistant
That's fine, no problem.
user
Thank you for reaching us.
assistant
Thank you for your help.
user