Hello, myself Shirley Lopez.
user
Hello, how may I assist you today?
assistant
I am looking for a flight ticket to IAH from DFW, can you please help me out?
user
Sure, can you please mention your departure and arrival dates of your journey?
assistant
Sure, my planned travelling dates are July 13 and July 15.
user
Thank you, do you want any stopover in between your journey?
assistant
No, I need a direct flight.
user
  Sure, is there any another specifications on your trip, so that I can book a ticket as per your wish?
assistant
No, these are my main specifications.
user
Sorry, there is no flight found with your requirement.
assistant
It's ok, thank you for the information.
user
Thank you, for reaching us.
assistant