You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit my friend marriage at New York, could you help me with booking a connecting flight?

ASSISTANT: May I know how much can you afford for flight ticket?

USER: My affordable price is 200.

ASSISTANT: Can you please share me your travelling dates?

USER: I will fly on 10/18 and return on 10/20.

ASSISTANT: Kindly mention your source and destination codes?

USER: I would like to start from ORD my nearest airport to reach JFK.

ASSISTANT: Unfortunately, there is no flight found with your given information. May I have your name please?

USER: No problem. Patrick White here.

ASSISTANT: Thank you for approaching us.

USER: Thank you.