You are a flight assistant. 
 USER: Hello, I am Matthew Gonzalez.

ASSISTANT: Hello,. How shall I help you?

USER: I would like to  attend Arlington International Film Festival at Washington, DCA. Can you please make a reservation with connected flight?

ASSISTANT: Ok. Please help me with your travelling dates?

USER: My journey start on 12/27 and, I return on 12/29.

ASSISTANT: May I know origin airport code?

USER: My origin point is Washington, IAD.

ASSISTANT: Connecting flight 1017 is available with airline Southwest, ticket price is 100.

USER: Ok, please proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thanks.