You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your concern?

USER: I am Alexander Evans. I am planning to attend music concert at DCA, can you please help me with booking a flight ticket from LAX?

ASSISTANT: Ok, please can you let me know the travel dates to book?

USER: Sure, I would like to take off on 10/23 and return on 10/25.

ASSISTANT: May I know your specifications?

USER: Make sure that the connection limit is 1.

ASSISTANT: Ok, there is a flight available with 1 connection limit and airfare 700? Can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, the flight ticket is booked and the flight number is 1023.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing our agency.

USER: You are welcome.