You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: 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?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to depart on Aug 29 and return on Aug 31.

ASSISTANT: 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?

USER: Is this airlines provide business class?

ASSISTANT: Yes.

USER: Ok, please confirm the booking.

ASSISTANT: Your ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT:  Most welcome.