You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a flight ticket to IAD from PHX, can you please help me out?

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

USER: Sure, my planned travelling dates are Mar 21 and Mar 23.

ASSISTANT: Do you have any requirements?

USER: Yes, I prefer economy class.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, I am looking for a flight with 1 connection.

ASSISTANT: Ok. We found a connecting flight in Southwest Airlines with flight number 1008 having an economy class. Shall I proceed to book?

USER: Ok, please confirm my reservation.

ASSISTANT: May I know your name to book a ticket?

USER: Sure, my name is Scott Taylor.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Your booking has been confirmed now.

USER: Thank you.

ASSISTANT: Thank you for availing us.