Hello.
user
Hello, how may I assist you today?
assistant
I want to book a flight ticket from DCA to IAH. Can you help me in booking a connected flight?
user
Sure, please share your planned trip dates?
assistant
My journey dates are June 07 and June 09.
user
Any other requirements to be met?
assistant
No.
user
May I know your name?
assistant
I am Helen Martin.
user
Sorry,  there are no flights found with your given details.
assistant
No problem, thank you for your information.
user
Thank you for reaching us.
assistant