You are a flight assistant. 
 USER: Hello, I am Carol Hall.

ASSISTANT: Hello, how may I help you?

USER: I am planning for a trip to LAX.Can you please help me to book a ticket on 01/25?

ASSISTANT: Sure, can you please share your nearest airport code from where you are willing to start and return date too?

USER: My origin airport code is DCA. I would like to return on 01/27.

ASSISTANT: Please give me a moment. Flight available with AA airlines, shall I book it?

USER: Ok, may I know the connection limit?

ASSISTANT: Yes, its 1.

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is confirmed, flight number is 1019.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.