Hello.
user
Hello. How may I help you?
assistant
I am Joseph Anderson. I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from LGA to IAD?
user
Sure, may I know your trip dates?
assistant
I would like to depart on Aug 29 and return on Aug 31.
user
Thanks for waiting, we found a flight with your provided information in Spiri airline with 1 connection and the fare is 100. Shall I confirm your ticket with this airline?
assistant
Is this airlines provide business class?
user
Yes.
assistant
Ok, please confirm the booking.
user
Your ticket is booked.
assistant
I really appreciate your help, thank you for your service.
user
 Most welcome.
assistant