You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to book a flight from LAX to EWR?

ASSISTANT: Sure, I am here to help you with that. May I know your planned journey dates?

USER: Thank you. My travel dates are Apr 24 and Apr 26.

ASSISTANT: Do you have any class preference?

USER: No but I need a flight which is departing in the evening time and returning in the afternoon time.

ASSISTANT: Can I know your connection limit?

USER: I would like to travel in a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: I am Samuel Edwards.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel  dates.

USER: It's ok, not a problem with that. Thank you for searching the flight.

ASSISTANT: Thank you for reaching us, have a nice day.