You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Charles Allen. Can you please reserve me a flight ticket from Los Angeles, CA - LAX to Washington, DC - DCA?

ASSISTANT: Do you need any lay by in between your journey?

USER: I need a single connecting flight.

ASSISTANT: Please provide your journey dates.

USER: My trip dates are 02/21 - 02/23.

ASSISTANT: There is a flight available with an airline Hawaiian of flight 1012 and cost is 100 in an economy class.

USER: Please reserve.

ASSISTANT: Your seat has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.