Hello, my name is Mary Young.
user
Hello, how may I help you today?
assistant
I got a work off next month, so I have planned to meet my father in Houston, can you please help me to book my ticket?
user
That's good, may I know your origin and destination airport codes please?
assistant
Sure, please check for the direct flight from DCA to IAH.
user
Can I have your planned dates for travelling?
assistant
I want to depart on 04/22 and return on 04/24.
user
There are no direct flights available on those dates, Mary.
assistant
No problem, I will meet him later. Thank you for checking.
user
Welcome, thank you for reaching us.
assistant