You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from LGA to ATL. Could you help me in booking?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are from Oct 31 - Nov 02.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer for direct flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Kimberly Adams.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: That's ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you.