You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to celebrate my birthday at Los Angeles, will you help me in booking the flight ticket from DCA to LAX?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My preferable journey dates are June 24 and June 26.

ASSISTANT: May I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: Ok, please share your name to proceed further.

USER: Myself Samuel Hall.

ASSISTANT: United airlines is providing you a flight with a ticket fare 100, shall I proceed with booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed with the flight-1021 in economy class.

USER: Thank you for helping me in booking me in booking the flight ticket.

ASSISTANT: Welcome, have a safe trip.