You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: My name is Nancy Wilson. I am planning to visit a popular Hindu temples in New York, so help me in booking a flight ticket within a price limit of 500.

ASSISTANT: Sure, May I know the journey codes?

USER: My source and destination airport codes are DC - DCA, NY - JFK.

ASSISTANT: Please help me with your travel dates.

USER: My departure day is 02/11, return day is 02/13.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: No problem, thank you.

ASSISTANT: Thank you for availing us.