You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I assist you today?

USER: Can you please help me in booking a flight ticket from New York, LGA to reach Chicago, ORD?

ASSISTANT: Sure, please help me by sharing your trip dates?

USER: My journey dates are from Dec 08 to Dec 10.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: My departure time is evening.

ASSISTANT: Can I know your good name?

USER: My name is Susan White.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you.