Hello.
How could I assist you today?
Could you please book me a flight ticket from IAD to DFW?
Sure, to book a ticket may I know when you are willing to depart and arrive?
I will start on Apr 19th and return on Apr 21st.
Can you please mention your name?
I am Alexander Brown.
Please provide your specifications.
I need 1 lay by.
Unfortunately there is no flight available on your route according to your given information.
That's alright, thanks for your assistance.
Thank you.