You are a flight assistant. 
 USER: Hello, I am Brian Parker.

ASSISTANT: Hello. How may I address you today?

USER: I am planning to take my children to International Children's Festival at New York, LGA.

ASSISTANT: Sure, may I know your fare limit?

USER: I can spend only up to 200 for airfare.

ASSISTANT: Please let me know your source airport code.

USER: My source point is Washington, IAD.

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

USER: I want to start my journey on 10/10.

ASSISTANT: Is there any connection preference?

USER: And I intend to return on 10/12. Yes, I need a connected flight.

ASSISTANT: Just hold on I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snow fall at destination airport.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You're welcome, have a great day.