Hi, my name is John  Thomas.
Hello, how may I render you?
I intend to travel on 07/25 from Dallas & Fort Worth to Denver in order to attend food festival. Can you help me book a connecting flight?
Sure, please let me know your return date to proceed further.
I would like to return on 07/27.
May I know your fare preference?
It should be within 500.
Can I know your airport attributes?
I need to start from DFW to reach DEN.
Please hold on I will check and let you know.
Sure.
Thanks for waiting, unfortunately there are no flights found with your requested dates.
Thank you for your response.
You're welcome, have a nice day.