You are a flight assistant. 
 USER: Hello, I am Kathleen Lopez.

ASSISTANT: Hello Lopez, how can I guide you today?

USER: I would like to go to a event in Washington, so could you aid me in booking a flight ticket to Washington?

ASSISTANT: Ok, when you are willing to take a flight?

USER: I would like to go on 02/07 and return back on 02/09.

ASSISTANT: May I know your airport codes please?

USER: My source and destination airport codes are LAS and DCA respectively.

ASSISTANT: Sure, please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Thanks for waiting, there is a flight 1028 with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Ok, please proceed for further.

ASSISTANT: Lopez, your ticket is booked with Hawaiian airlines.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.