You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Larry Miller from Chicago. I am looking for a flight to New York, JFK for attending a tournament of Foot ball match.

ASSISTANT: Ok.

USER: Could you help me in making a reservation with a connecting flight?

ASSISTANT: Sure, can you please mention your travelling dates?

USER: My itinerary dates are 03/22 - 03/24.

ASSISTANT: May I know your takeoff airport code?

USER: Chicago, ORD is my takeoff airport.

ASSISTANT: Ok, what is your expected budget for your ticket?

USER: I can spend up to 5000.

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were running on your requested dates due to abnormal climatic changes.

USER: Ok, I will choose other alternative.

ASSISTANT: Thank you for choosing us.

USER: Thank you for help.