Hi.
user
Hello.
assistant
I am Charles Carter.
user
How may I help you now?
assistant
I would like to book a flight ticket from Denver CO-DEN to visit one of the best historical places in Houston. Can you please assist me in making a plane reservation to TX-HOU?
user
Sure, do you have any price limit?
assistant
Price limit should be under 500.
user
Help me with the trip dates?
assistant
My trip dates are 06/18 and 06/20.
user
Thank you for your details, there were no flights running in your preferred dates.
assistant
Ok, not an issue. Thank you for your great service.
user
Thank you for reaching us.
assistant