You are a flight assistant. 
 USER: Hi. I am David Young.

ASSISTANT: Hello, how may I help you today?

USER:  I am planning to visit Los Angeles to enjoy casino, can you please book me a ticket with 1 connection limit flight?

ASSISTANT: Ok, may I know your preferable dates of journey please?

USER: My travelling dates are 03/05 to 03/07.

ASSISTANT: Could you please share me with your respective airports codes?

USER: It's a round trip, my airport code is DCA.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a flight with the connections limit is 1 of fare 100 with the airline AA.Shall I proceed to book this ticket?

USER: You can book it.

ASSISTANT: Your ticket has been reserved with the flight number 1013.

USER: Thank you for helping.

ASSISTANT: You are welcome and hope you have a safe journey.