Hi.
user
Hello. How can I help you?
assistant
I'm Carolyn Lopez want to travel from IAD to BOS, can you please help me to book ticket?
user
Sure, may I know your preferred dates of journey?
assistant
Sure, my travelling dates are 10/08 and 10/10.
user
There is no flight availability on your preferred dates, Carolyn Lopez.
assistant
Ok, thank you for the information.
user
Thank you for contacting us.
assistant