You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please help me in booking flight ticket from OAK to SEA.

ASSISTANT: Sure, may I know the planned travel dates?

USER: My trip dates are Dec 08 to Dec 10.

ASSISTANT: Please provide me the specifications.

USER: My return should be in the morning. I need a connecting flight.

ASSISTANT: Please provide me the name.

USER: Deborah Hill here.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed with booking?

USER: You can book.

ASSISTANT: The ticket fare has been changed for 200 on request to your morning flight. Shall I proceed?

USER: You can proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1008 in Southwest Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.