You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to watch rugby match, so book my ticket from DCA to SEA.

ASSISTANT: When are you planning to travel?

USER: My itinerary dates are Dec 25 and Dec 27.

ASSISTANT: Do you need a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Nicholas Hall here.

ASSISTANT: Flight-1021 is available for you with 1 connection at the price of 100 by Southwest Airlines in economy class. Can I book it for you?

USER: Book my ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.