Hello, I am William Lee.
user
Hello, how may I assist you today?
assistant
I want to book a ticket to Washington, DC - IAD to overview the city.
user
Sure, may I know your connection limit?
assistant
Sure, I need a halt.
user
Ok, please share your journey dates.
assistant
My journey dates are 04/09 and 04/11.
user
Ok, let me know your source point.
assistant
My source is San Francisco, CA - SFO.
user
Unfortunately, there were no flights found on your requested dates.
assistant
Ok, Thank you for your service.
user
Thank you for availing us.
assistant