Hi, I am Patrick Moore.
user
Hello, how may I support you?
assistant
I want to book a flight ticket to Boston, as I have an appointment with my family doctor. Please help me out.
user
Sure, may I know when are you planning to travel?
assistant
My travelling dates are from 03/20 to 03/22.
user
Kindly share your airport codes.
assistant
I want to fly from DCA to BOS.
user
Ok, please wait.
assistant
Ok.
user
Thanks for waiting, there are no flights available at this moment.
assistant
No issues, thank you.
user
Thank you for opting us.
assistant