Hello.
user
Hello, how may I help you?
assistant
I am Larry Adams. I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from BOS to IAD?
user
Sure, may I know your trip dates please?
assistant
I would like to depart on Apr 17th and return on Apr 19th.
user
Please wait for a while.
assistant
I need a flight ticket in business class. Make sure that my airline is from normal cost.
user
Sorry, there is no flight available as per your request.
assistant
That's ok, not an issue. Anyways, thank you for the information.
user
Most welcome.
assistant