Hi. I am Jonathan Taylor.
Hello, how can I assist you for the day?
Can you please book me a ticket from DFW to PHX?
Sure, I am here to help you. When you are willing to travel?
I would like to depart on Jan 28 and return on  Jan 30.
Do you have any class preference?
I am comfortable with any class.
Do you have any connection limit?
I need a direct flight.
Do you have any other requirements?
My depart and arrival time should be in the morning.
Please wait for a moment.
Sure.
Sorry, we found no flights on your given dates.
Ok, not an issue.
Thank you for reaching us.