Hi.
user
Hello, how may I help you?
assistant
Please book a ticket from IAD to BOS.
user
Sure, can I know your travelling dates?
assistant
Travelling dates are Dec 28 and Dec 30.
user
Sorry, there are no flights are available for given dates.
assistant
Thank you.
user
Thank you for reaching us. Can I know your name.
assistant
I am Jeffrey Edwards.
user