Hello. I am Michelle Johnson.
user
Hello, how may I aid you?
assistant
I would like to surprise my best friend on his birthday at Washington, can you please book me a flight ticket from SEA to IAD?
user
Sure, I am here to help you. May I know your travel dates?
assistant
I want to travel on 11/22 and 11/24.
user
Do you have any other requirements?
assistant
I need a connecting flight. Price should not exceed 500.
user
Sorry to say that, no flights are available on your requirements.
assistant
No problem, thank you.
user
Thank you for choosing us.
assistant