You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Gregory Moore. Can you please book a flight ticket from LGA to DCA?

ASSISTANT: Sure, can you please forward your journey dates?

USER: I will start on Jan 12 and need to return on Jan 14.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I need single connection flight.

ASSISTANT: Sorry to notify that, we did not find any flights matching your journey dates.

USER: No problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.