Hi.
user
Hello. How can I aid you today?
assistant
I am Shirley Martin. I want to book a ticket from HOU to DEN, can you help me?
user
Sure, I am glad to help you in booking. Could you please share your travel dates?
assistant
My travel dates are 12/19 and 12/21.
user
Please wait a moment.
assistant
Sure.
user
Sorry, no flights are available on your preferable travel dates.
assistant
No problem, thanks for your information.
user
Thank you for reaching us, have a nice day.
assistant