You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to visit Fremont Street Experience  in Las Vegas, can you please find a flight from New York?

ASSISTANT: Sure, can I know your travelling dates?

USER: I am willing to travel on the dates of Dec 21 and Dec 23.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Please reserve the ticket with the name Scott Edwards.

ASSISTANT: Ok, let me know your source and destination airport codes?

USER: The source and destination airport codes are EWR and LAS.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a single connecting flight.

ASSISTANT:  Do you have any other specifications?

USER: I would like to depart in the morning time. So, please check for that.

ASSISTANT: May I know your airline preferences?

USER: Mostly, I prefer a normal-cost airlines.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for reaching us.