Hello.
user
Hello.
assistant
I am Sandra Allen.
user
How may I aid you today?
assistant
I am fascinated by the history of Boston, I want to visit this place.Can you help me to book a ticket from DCA to BOS?
user
I am happy to help you with that, can you please share your journey dates?
assistant
I want to fly on 10/22 and 10/24.
user
Wait for a minute.
assistant
Sure.
user
Sorry to say that there is no flight found for you.
assistant
That's ok. Thank you for your help.
user
Thank you for reacting us.
assistant