You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you want me to help you with anything?

USER: Is this Destination DC agency? Linda Nelson here.

ASSISTANT: Yes.

USER: As there is meeting with my client in Washington-DCA, I want to book a ticket from Las Vegas-LAS.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure date is 10/13 and return from Washington on 10/15.

ASSISTANT: Give me a minute.

USER: Sure. Make sure the connection limit is 0.

ASSISTANT: There is a flight with price is 500 and flight number is 1001. Sorry there is no flight with connection 0.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you.