You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket to attend Northwest Folklife Festival in Washington?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My journey dates are, depart on Aug 1st, and return on Aug 3rd.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are, LAS to IAD.

ASSISTANT: Is there any connection limit?

USER: I am ok with any flight.

ASSISTANT: May I know your name please?

USER: My name is Brian Turner.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in economy class.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Southwest airline is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is booked with the flight-1007.

USER: Thank you.

ASSISTANT: Thank you for choosing us.