You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning my trip to travel Washington. Can you please help me in reserving the ticket from LGA to DCA?

ASSISTANT: When would you like me to book a ticket?

USER: I am planning my trip on Dec 15 and again I will return back on Dec 17.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I am planning to travel in direct flight.

ASSISTANT: May I know your name?

USER: Myself James Lee.

ASSISTANT: Is there any another specifications on your trip?

USER: I would like to travel in business class.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry Myself James, we haven't found any flights based on your specifications.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thanks for reaching us.