You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am attending a business meet in Boston, can you book a ticket?

ASSISTANT: Sure, please provide your airport codes.

USER: My airport codes are DCA to BOS.

ASSISTANT: Can you please provide your travel dates?

USER: My travel dates are 08/20 and 08/22.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: As per your requested dates there is a flight available with 1 connection and price limit is 200. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: May I know your name for ticket booking purpose?

USER: My name is Richard Collins.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.