You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please make a reservation with the name of Larry Collins to Washington, DCA with a connecting flight.

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are 08/12 and 08/14.

ASSISTANT: May I know your another airport code?

USER: My source is from New York, LGA.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1009 in airline Southwest, the fare is 300. Can I book it?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.