You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may i be there for you?

USER: Janet Allen here. I'm planning to visit my college at Las Vegas, can you please book a ticket from New York?

ASSISTANT: Sure, will you please let me know whether you need a ticket in economy class or business class?

USER: Any class is ok for me.

ASSISTANT: When are you planning to travel?

USER: My planned departure and return travel dates are 27th and 29th of January.

ASSISTANT: Can you share your exact airport codes?

USER: Yes, my source is EWR and my destination is LAS.

ASSISTANT: Is there any time restriction?

USER: Yes, I want to depart from my location on the afternoon.

ASSISTANT: At last, could you please let me know your connection preference?

USER: Yes, I'm ok with either direct or single connected flight.

ASSISTANT: Thanks for providing your essentials. Currently there are no flights going on your way.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for reaching us.