Hi.
user
Hello, how can I help you?
assistant
Please help me to book a flight ticket from IAD to DCA.
user
Sure, can you please share me your travelling dates?
assistant
My journey dates are from Sept, 05 to Sept, 07.
user
Do you have any connection limit?
assistant
I need a single connecting flight.
user
Is there any other specifications?
assistant
I prefer normal-cost airlines.
user
May I know your name?
assistant
Helen Evans.
user
Sorry, there were no flights with your given details.
assistant
Thank you for your information.
user
Thank you for reaching us.
assistant