You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

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

ASSISTANT: Sure, when are you planning to travel?

USER: My journey dates are from Dec 05 to Dec 07.

ASSISTANT: May I know your airline preference?

USER: I am ok with any airlines.

ASSISTANT: Is there any thing else you need help with?

USER: I need a direct flight.

ASSISTANT: Can you mention your name to proceed further?

USER: My name is Scott White.

ASSISTANT: Sorry, no flights found as per your requirement.

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

ASSISTANT: Thank you for contacting us and have a nice day.