You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I respond to your request?

USER: Can you please help me to book a direct flight to reach Washington?

ASSISTANT: Sure, I am here to help you for booking.

USER: Thank you.

ASSISTANT: May I know, From where do you want to board?

USER: I would like to board from LAX.

ASSISTANT: On what dates do you want to travel?

USER: Sure, my planned dates are on June 9th to 11th.

ASSISTANT: Please help me with your destination airport code.

USER: Sure, It is DCA.

ASSISTANT: Is there any time concern?

USER: I have planned to return in afternoon time.

ASSISTANT: Let me know your name.

USER: Sure, my name is Kimberly Johnson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there were no flights running to that location due to bad weather conditions.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.