You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a flight ticket to LGA from MCO, can you please help me out?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Sure, my planned travelling dates are June 21 and June 23.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I prefer direct flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: Yes, my return time must be in evening.

ASSISTANT: Please share your name.

USER: Sure, my name is Anthony Green.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for reaching us.