You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Harris.

ASSISTANT: How may I  guide you today?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from SEA to IAD?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I would like to depart on Oct 25th and return on Oct 27th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: I found a ticket for you with price of 200, flight number is 1026 and connection is 1.

USER: Yes, please confirm the booking.

ASSISTANT: I confirmed your ticket successfully.

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

ASSISTANT: Thank you for reaching us.