You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Baker.

ASSISTANT: How can I aid you?

USER: I am looking for a flight from IAD to SEA, can you help me out?

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

USER: My trip dates are from Mar 11th till Mar 13th.

ASSISTANT: Do you have any specifications?

USER: I need my return flight in evening session.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 300. Shall I proceed in booking?

USER: Ok, please proceed with it.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1013 in Spirit Airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.