Hello.
user
Hello, how can I assist you?
assistant
I am Dennis Adams want to meet my sister in IAH. Can you book a ticket from DCA?
user
Sure, may I know your planned travel dates?
assistant
My planned dates are 07/20 and 07/22.
user
Do you need a halt in between your journey?
assistant
I need a connecting flight.
user
Sorry to say that, no flights were found with your given details.
assistant
 Ok, thank you for your help.
user
Thank you for reaching us.
assistant