You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Benjamin King. I am planning to go for central park at New York, LGA. Can you please book a ticket on 06/02?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Which airport are you willing to leave from?

USER: Source code is Washington, DCA.

ASSISTANT: May I know your return date?

USER: I will return back on 06/04.

ASSISTANT: Do you need any halt in between your journey?

USER: I am comfortable with any flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airline with connecting flight and number 1019 fare of 100. Shall I confirm it?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.