Hello. I am Mark Parker.
user
Hello, how can I aid you today?
assistant
Could you help me in booking a flight ticket from DCA to SEA?
user
Sure, when are you planning to start and return on?
assistant
My departure day is June 14, return day is June 16.
user
Do you need a connecting flight?
assistant
Yes, I need a flight with one connection.
user
Thank you for your details, there are no flights found with the given route.
assistant
No problem, thank you.
user
Thank you.
assistant