You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from DCA to LAX. Can you help me to book a flight ticket?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: I want to fly in the flight on June 30 and July 02.

ASSISTANT: Ok, please mention your name.

USER: I am Karen Hill.

ASSISTANT: Ok, do you have any connection limit?

USER: I want to have a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: As per your request, I found a flight for you with single connection. Shall I proceed for booking?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked with flight number 1006 and airline is AA.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.