Hi.
user
Hello, may I know how best I can help you today?
assistant
Could you please book a flight ticket from DCA to IAD?
user
Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?
assistant
My travelling dates are 16 and 18 of Jan.
user
Do you require any stopovers in your journey?
assistant
I need a connecting flight.
user
Would you let us know if you have any other preferences?
assistant
I don't have.
user
Please share your name.
assistant
My name is Brandon Evans.
user
 Ok, please wait a minute I will get back to you with the flight details.
assistant
Ok.
user
As per the intents mentioned, Frontier Airlines is providing a connecting flight and the airfare is about 100. Shall I proceed with flight 1004?
assistant
Yes, please.
user
Your booking is done and flight number is 1004.
assistant
Thank you.
user
Thanks for reaching us.
assistant