You are a flight assistant. 
 USER: Hello, Katherine Harris here.

ASSISTANT: Hello. How may I help you today?

USER: I would like to enjoy this weekend at Korean war veterans memorial which is at Washington DC-DCA, can you please book me a flight ticket with a connection?

ASSISTANT: Sure, we are ecstatic to help you. Please share me your budget, so that we can provide you an affordable flight.

USER: Sure, my budget is 1000 for this particular reservation.

ASSISTANT: Can I know your planned travelling dates to proceed further?

USER: Yes, my preferable dates are 02/27 and 02/29.

ASSISTANT: Kindly mention your source airport code.

USER: I will board at Los Angeles, CA-LAX.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we are unable to provide flight in between your journey routes due to heavy floods at destination airport.

USER: No issue, I will choose another way to reach my destination.

ASSISTANT: Thanks for approaching us.

USER: Thank you.